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May 2004 News

 

 

7th May

Harbour Porpoise stranding at Hayle, Cornwall.

6th May

At about 5pm, BDMLR Head Office contacted West Cornwall Coordinator Dave Jarvis. They reported that a harbour porpoise had been found stranded by fishermen in Hayle Estuary, and was now in a water-filled container aboard their boat docked at North Quay. Dave contacted the other West Cornwall Coordinator, Tim Bain, and Medic Gary Hawkins, and informed them of the situation. He then called Phil Jarvis, who was working at the National Seal Sanctuary, who then in turn informed Dr Glenn Boyle, the Sanctuary’s curator. After this, Dave, Lesley Jarvis and myself proceeded to the site.

Upon our arrival at North Quay, we located and boarded the vessel on which the porpoise was being held. Lesley and I assessed the animal’s condition, while Dave began calling out Medics from the area, and veterinarian Paul Riley, who had the details of the animal’s condition passed on to him. Paul then undertook to contact BDMLR Director and vet James Barnett to discuss the situation. The porpoise was very small, and was able to swim and breathe unaided in the tank. It had skin sloughing off its tail flukes, tail stock and beak, and had some minor superficial injuries. The skin was very soft to the touch, and on closer inspection, remnants of the umbilicus, foetus folds and vibrissae were observed. Obviously this was a very young animal. The body profile was noted to be slightly concave, and the dorsal fin was noticed to be leaning over to the right. The porpoise’s breathing rate at this point was 9bpm (breaths per minute).

The fishermen then told us what had happened. As they were docking at the quayside, they heard the porpoise take a breath next to their boat, and saw it swimming toward the shallower water of the harbour. It then appeared to panic, and swam at speed out of the harbour again, but became stranded on some rocks. The fishermen had then picked it up and put it in the container on their boat. I asked if they had seen any porpoises in St Ives Bay during the last few days. They replied that they hadn’t.

I updated Dave on the porpoise’s condition, and that it was maternally dependent and separated from its mother. We then contacted James Barnett and described the animal’s condition to him. James decided that euthanasia would be the best option, and he also added that porpoises usually breed in June – July, and that this animal was very likely to be less than three days old.

Coordinator Tim Bain then arrived with Medic Mark Hubble, shortly followed by Medics Gary Hawkins and Caroline Curtis. Dave and Lesley briefed them, while I took charge of the animal’s direct care. Its breathing rate was now slightly lower than initially, fluctuating between 7 - 8bpm. It was noticed that its eyes were closed, and that every 10 minutes or so, it would roll over and arch its back, before recovering again. When this happened, myself and another Medic would support the animal until it recovered, but it was also noticed that handling caused a small amount of distress to the animal, so our direct contact with the animal was minimised. It was observed that every time the animal took a breath, it would submerge and try to swim forward, meaning that it was continually bumping into the side of the container. To this end, I kept my hand against the side of the container so that the porpoise had something softer to bump against.

By now it was 6pm, and Medic Phil Jarvis arrived just prior to veterinarian Paul Riley, and he was given a full briefing on the condition of the animal. He requested that most of the water be removed from the container, so that the animal would be easier to control while being given a sedative. The porpoise was becoming gradually weaker. It was rolling over more often for longer periods of time and its breathing was becoming slightly more laboured, although its breathing rate remained the same. It also convulsed on two occasions while rolled over.

At about 6:15pm, Dr Glenn Boyle from the Seal Sanctuary, who arrived with two members of the Animal Care Team – Marianne Fellows and Jo Hurley. They were followed by Medic Alan Williamson. Tim Bain advised them all of the situation. A few minutes later, Dave Jarvis and myself supported the porpoise in a few inches of water while Paul sedated it with an injection just behind the right side of the dorsal fin, in preparation for the lethal injection.

During the fifteen minute wait for the sedative to take effect, the porpoise’s eyes were noticed to have opened for the first time. After the time had elapsed, I again supported the porpoise while Paul administered the lethal injection to a vein in the tail. At about 6:44pm, the young porpoise was pronounced dead.

Afterwards, it was measured and recorded for the Cornwall Wildlife Trust’s database. It was an 84cm long male. Medics Gary Hawkins and Caroline Curtis agreed to take it to VLA Polwhele the next day for a Post Mortem.

We would like to thank all the medics who turned out for the incident, but would especially like to thank the fishermen, whose actions made the trauma of stranding a lot less stressful for the porpoise.

Medic Daniel Jarvis
British Divers Marine Life Rescue
West Cornwall

Pictures by Daniel Jarvis & Caroline Curtis

 

11th May

Volunteers needed to help with Devon Medic Courses

We have been asked to provide a Marine Mammal medic course exclusively for the staff of the Devon Cliffs holiday park near Exmouth. We hope that this could be the beginning of a close link with this company ( Bourne Leisure ) which has a number of sites across the UK. A course has been arranged at short notice for the 29th May, 2004. This course is not open to the public.

We also have a public course on the 11th September also at the Devon Cliffs park. Places available, application form can be downloaded from the Training page of the website.

If you are a current Medic and can help out at these courses with setting up the practical session, helping during the session and helping to pack up .... please contact me via tony@bdmlr.org.uk

This is a great way to refresh your skills, meet other medics and keep involved.

Hope to hear from you soon.

Cheers,

Tony Woodley
BDMLR OnLine
Exmouth Group Rescue/Training Co-ordinator


Sea Shore Festival Dundee 6th June 2004

Would all BDMLR Tayforth medics and friends please note that we have again been invited to attend the Dundee City Council Sea Shore Festival at Broughty Ferry (just outside the BDMLR Dundee Resource / Rescue Base) on Sunday 6th June 2004. This is an annual event which gives BDMLR the opportunity to demonstrate our marine mammal rescue capability to the general public. The event will commence at 11am and finish at about 4pm. We hope to have a barbecue and refreshments back at the base after this event, dependant on the weather.

If you wish to come along and help or just fancy the barbecue then please contact us as soon as possible.

Thanks in advance,

Gareth Norman
BDMLR Tayforth Sector Coordinator, Coastal Patrol area: Easthaven in Angus south to Tay estuary, Fife coastline and Forth estuary.


Rehabilitated dolphin returned to bay - Florida
4th May, 2004

A dolphin was returned to familiar waters Tuesday after spending two months in rehabilitation at Mote Marine. The dolphin was rescued from Charlotte Harbor, near death, tangled in mounds of fishing line.
"Toro was a female juvenile that we rescued about six weeks ago from Bull Bay," said Dr. Debbie Fauquier of Mote Marine.

Toro was spotted by Mote Marine field researchers tangled in fishing line that covered her pectoral and dorsal fins.

"That was cutting through the blubber and the muscle right down to bone," said Faquier.

Experts from Mote Marine took Toro in for treatment.

By Tuesday, Toro was strong enough to return home, but not every story like hers has a happy ending.

"We have seen animals that have suffered injuries and have even death because of monofilament," said Allison Bozarth of the Florida Fish and Wildlife Conservation Commission.

Dolphins, sea turtles and even birds can get trapped in cast-off fishing line. It's a growing problem in Charlotte Harbor.

Bozarth fears the problem will only get worse.

"Monofilament is not biodegradable, it takes about 600 years. It stays around," said Bozarth.

Fishermen are encouraged to properly discard their line to save sea life from the trauma of getting trapped in the line.

"We have no concerns about her ability to function in the wild, our biggest concern is whether she'll get re-entangled," said Faquier.

Toro was lucky because most entangled animals simply die without ever being noticed.

Experts say dolphins tend to get caught in fishing line because they sometimes follow boats, waiting for anglers to release fish and end up getting snagged themselves.

You can take old fishing line to many bait stores where they will collect it for recycling.

( source : www.nbc-2.com )

[ Mote Marine Laboratory ]



Sick sea lion rescue at Marina Beach is 69th of year by Whale Rescue Team - California

A female sea lion, which apparently sought refuge at Marina (Mothers) Beach, was rescued at about 8:30 a.m. Friday, April 30th, by Peter Wallerstein's Whale Rescue Team.

The sea lion, which weighed 180 to 200 pounds, appeared to be suffering from domoic acid poisoning, which makes the mammals disoriented and unable to swim.

"She was in severe distress, foaming at the mouth," Wallerstein said.

It was the 69th rescue of the year for the Whale Rescue Team, which is based at Dockweiler Beach in Playa del Rey.

The sea lion was transported to the Marine Mammal Care Center in San Pedro for treatment.

Wallerstein says his group has rescued 29 sick or injured sea mammals from area beaches in the past month alone.

Domoic acid is a naturally occurring substance that is present in algae that is consumed by sea life that the sea lions eat.

The substance causes neurological symptoms which can lead to drowning.

Wallerstein warns beachgoers to stay away from beached sea mammals because of the possibility the animals may bite.

"I've seen people trying to push sick sea lions back into the water, but that's very dangerous," Wallerstein said.

Anyone who discovers a marine mammal in distress should not attempt to assist it, but call authorities for aid.

Female sea lions may also leave their pups on the beach for safety while they hunt for food, and the pups should be left alone.

( source : www.argonautnewspaper.com )



Norway opens whale-hunting season
10th May, 2004

Whaling vessels have left Norway for the Barents Sea to open this year's whale-hunting season, defying an international moratorium and protests.
The Norwegian government has set a quota of 670 minke whales for the season, which runs until 31 August.

The Scandinavian nation is the only country in the world that authorises whaling for commercial purposes.

Iceland and Japan are the only other nations to fish whales, though they claim to do so for scientific reasons.

National pride

Norway started commercial whaling again in 1993, despite an international ban on the practice seven years earlier.

It argues the hunt is needed to stop the whale population from growing so large that it devours huge stocks of fish. It says the minke whale population levels remain healthy and are not endangered by its annual hunt.

However, environmental group Greenpeace told AFP news agency that demand for whale meat in Norway was diminishing.

It accuses the Norwegian government of persisting with its controversial whaling policy to prop up national pride.

Grenade-tipped harpoons

Controversy has also focused on the manner in which the whales are killed.

Environmentalists say the grenade-tipped harpoons that explode inside the beast are unnecessarily cruel.

Whalers argue it is one of the quickest methods for killing a whale.

The first whaling vessels left Norway to hunt in the North Sea last week - but they only catch a small amount of fish. The main catches are made in the area of the North Atlantic known as the Barents Sea.

( source : www.news.bbc.co.uk )



Whale Spotted In Boston Harbor
7th May, 2004

Experts Worry About Animal's Interaction With Boaters

A baby Beluga whale has been making appearances in Boston Harbor, but there is concern that the whale may be put in harm's way because of natural curiosity.

NewsCenter 5's Sonya Pfeiffer reported that the whale, named Poco, is believed to be about 5 to 7 years old and to weigh 1,000 pounds.

"Everybody was up and looking for the animal, which was right off the stern. It was excellent," boat captain Dayle Sullivan-Taylor said. "I think he went into the jet bubbles. He probably hasn't seen jet bubbles before."

Poco's proper home is New Brunswick, Canada, but he's been sighted nine times in Boston Harbor in April and May.

"He is interacting with boats, it would appear. We want to make sure that people and this whale remain safe," New England Aquarium spokeswoman Connie Merigo said.

The whale's behavior has marine specialists concerned. They are advising people to steer clear of Poco and observe the whale from a distance.

"He will come up to the boat. He will try to interact with you. He seems like he wants to play, and we really need people to resist the temptation to try to play with the whale, because he is not really playing with you, he is attracted to the object, the boat," U.S. Fishery Department spokeswoman Teri Frady said.

Officials hope that as the water temperature rises, Poco's food supply will move out to sea and that the whale will follow.

[ Interesting video click HERE ]

( source : www.thebostonchannel.com )


2 Plans For Reuniting Luna - British Columbia
6th May, 2004

Luna the lonely orca will be temporarily confined in a net pen in Pedder Bay near here if an attempt fails to reunite him with his pod at the entrance to Nootka Sound.
An attempt will be made to lead the whale out of the sound just as his pod is passing by, but even the most optimistic supporters of that approach know it is unlikely to succeed.

The killer whale pod, which spends its summers in Washington state's San Juan Islands, covers tremendous distances. Luna's pod is not usually seen in the waters off Nootka Sound, an inlet about 140 miles northwest of Victoria on Vancouver Island's west coast.

"Leading him out into the open water would be best for everyone, and especially for Luna, but the chances are pretty remote," said Ed Thorburn, a field supervisor with the Canadian Department of Fisheries and Oceans.

If that plan fails, the 4-year-old orca will probably be packed into a sling in a tank on a huge truck and, with police escorts and a contingent of veterinarians and scientists, be hauled to Pedder Bay.

Vancouver Aquarium workers have been doing practice runs this week, said Marilyn Joyce, the federal department's marine mammal coordinator.

About 75 pounds of live fish will be piped into the net pen each day so Luna does not get used to receiving food from humans.

The next step will depend on the whales. "We wait for L Pod to swim by and hope they make contact," Joyce said.

The aim is to have the relocation plan ready to go between mid-May and the beginning of June, but everything rests on the Vancouver Aquarium raising enough money.

Although officials once considered releasing Luna in the San Juan Islands if a reunion attempt fails, they have now determined Pedder Bay is the best environment for him, said spokeswoman Lara Sloan with the Vancouver office of the Department of Fisheries and Oceans.

Luna, or L98, appeared in Nootka Sound, an inlet off Vancouver Island's west coast, more than two years ago after separating from his U.S. pod.

He has managed to feed himself but has also taken to socializing with people, cosying up to boats and nuzzling seaplanes.

Aquarium president John Nightingale said about $160,000 must be raised in cash and $51,000 in donated goods and services for the operation to proceed. That's on top of $95,000 from the Canadian government and $100,000 from the U.S. government.

But fund-raising is going slowly.

"If we don't have it by May 15 or 20 it will put a real crimp in things," Nightingale said. "It would stop it."

( source : www.komotv.com )

13th May

Report of Seal Ashore at Trow Rock, South Shields - U.K.
Thursday 13th May 2004

At 1610hrs(BST) Marine Life Medic Graeme Richardson (South Shields VLB Coast Rescue Unit) received a call direct from a group of school children reporting a seal ashore on the East Side of Trow Rock. Area Co-ordinator Richard Ilderton was contacted and agreed that Graeme would attend immediately, whilst neighbouring medic Ron Carroll (Sunderland VLB) was put on standby awaiting the results of Graeme's assessment.Graeme arrived on scene at 1614hrs (BST) and liased with the first informants who reported that the seal had made its way back out to sea just
after they reported it.

The boys were thanked for their initiative and good thinking, and left the scene. The animal had come ashore on low tide and was resting in a sheltered area with some of the best weather of the month so far.

The children had seen a BDMLR poster that I had placed in their school and had made notes of both my number and that of the BDMLR hotline: an excellent start to our local educational push with the VLB/Coastguard incorporating BDMLR.

Regards

Graeme Richardson
SSVLB/BDMLR Medic


Rescued whale dying - Trinidad & Tobago
11th May, 2004

Days of heroic efforts by whale rescuers seemed destined for a tragic end last night.

The 40-foot whale pulled out to sea after becoming stranded near the La Brea coastline on Sunday, beached itself again yesterday.

An all-day fight by more than 100 people ended with the exhausted animal being dragged two miles out to sea.

By that time, rescuers said it was in bad shape.

Senior Game Warden Samsundar Ramdeen said:

"It was rolling in the current and waves and not as sprightly as yesterday (Monday).
"Things look grim, but I am still crossing my fingers. I still have faith."
Petrotrin's environmental specialist Francois Khan was less optimistic".
"After about ten minutes (of pulling) we realised we were not getting signs of life from it. We realised we got no signs of life.

Since the whale, described as a "Bryde's Whale" was found stranded, animals lovers have fought off people planning to butcher the animal and chasing off those who used knives on the whale to inscribe their names or to cut off chunks of blubber.
Ramdeen said there was only love and camaraderie on the beach yesterday.

"People were enthusiastic. Some were of the view we should leave the whale because it came to die.
We thought we should give it every chance to live".

Told of the whale's return, veterinarian Dr Carla Phillips said, "this is what we were fearing. It will inevitably die, if we do not intervene".

Dr Phillips, who examined the whale on Monday, said "that from the foul odour of the air being expelled by the whale "it was not normal and suggests an infection".

( source : www.trinidadexpress.com )


Proposals for commission to decide on seal culling quota - Scotland
9th May, 2004

The humble seal looks set to become the defenceless victim of the current battle for votes in the European elections, as two leading contenders call for an independent commission which would have the power to order seal culls.

Struan Stevenson, lead candidate on the Scottish Conservative list for the June 10 ballot, has told the Sunday Herald that there is a need to take the question of controlling seal numbers out of the hands of politicians.

He has proposed the setting up of a seal commission, similar to the Deer Commission for Scotland, which monitors the wild animal populations and the effect they have on the surrounding ecosystem.

Like the deer commission, it could also recommend culling levels to control the effect they have on the rest of the environment.

The idea has been backed by Ian Hudghton, leading the Scottish National Party’s European list. Both Tories and SNP have made a major feature of fisheries in campaigning this year, vying to champion the industry as an icon of the traditional Scottish economy which has faced tough times because of EU-imposed quota cuts.

Stevenson and Hudghton are top of their respective party lists in a Scotland-wide constituency for which seven MEPs will be elected through a proportional voting system.

The Scottish seal commission idea follows a call last month from Alasdair Morrison, Labour MSP for the Western Isles, for a cull to be carried out, and is against the backdrop of a highly controversial killing of up to 350,000 seals around the Canadian fishing banks.

Seal numbers are at their highest around the Outer Hebrides, with numbers of grey seals growing by an estimated 6% each year.

Stevenson, who is chairman of the European parliament’s fisheries committee, claims that there are approximately 200,000 seals around Scottish coasts, each eating two and a half tonnes of fish annually.

That is reckoned to translate into £60 million of catch each year. “That massive tonnage of fish is not being taken into account when the European Commission and the scientists then work out policies for a sustainable fishery because the animal welfare people have said seals cannot be allowed to enter into this equation,” Stevenson said.

The MEP argued that a cull should be left up to the seal commission to decide, based on scientific evidence, “but to ignore the matter is to head towards catastrophe because seals are clearly eating a huge amount of fish”.

Hudghton agreed there was a need for “a verifiable and up-to-date study of who eats who in the marine environment”.

He went further in calling for the commission to be able to look at the impact of all marine mammals on fish stocks, including dolphins and whales – while conceding the slaughter of dolphins does not seem a likely consequence.

Hamish Morrison, chief executive of the Scottish Fishermen’s Federation, observed there is “a total political horror of the subject” and little chance of a seal cull going ahead.

“One need only look at the green people,” he said. “The amount of money they can make by holding themselves out to be the defenders of the seals is absolutely enormous.”
He suggested there are other strategies to control numbers.

“The Canadians have done interesting work with contraception, using a sort of elephant gun,” he said. “But there are a lot of worries with introducing that sort of chemical into the marine aqua-system.”

Morrison also said there have been proposals for blocking off the haul-out rocks where seals breed and feed their young.

A spokeswoman for the Scottish Green Party said their MSPs were not totally against any seal cull, but would remain opposed until sufficient evidence was produced that it could revive fish stocks.

"Given that this is a very emotive issue, such a cull would also be very damaging to 'Scotland th Brand' and the Scottish food industry", she added.

( Source : www.sundayherald.com )

[ BDMLR Seal-Fisheries Interaction Report ]


NZ dolphin named rarest in world set to sink without trace
09 May 2004

A breed of dolphin exclusive to the North Island's west coast could be extinct within 30 years.

A new study has confirmed the Maui's dolphin, also known as the North Island Hector's dolphin, is the rarest marine mammal in the world. The population has dropped by about 75% in the past 30 years.

An aerial survey by the University of Otago and Department of Conservation (Doc) in January has led researchers to estimate there are only 114 left along the coast. This compares to about 400 in 1970.

The university's senior zoology lecturer, Dr Liz Slooten, led the study - funded by the World Wide Fund for Nature (WWF), Ministry of Fisheries and Doc - and said prompt action on threats to the dolphins was needed.

The research was conducted as an alternative to a controversial Doc scheme which could see satellite tracking devices tagged to the animals, but Slooten said the figures showed those plans should be thrown out.

"If the decline goes unarrested we are looking at Maui's dolphins being extinct in 30 or 40 years.
"We want to reduce human impacts to zero and that includes research activity that might do any further harm, so any suggestion of catching these animals and bolting things to their fins should be out of the question.

There is no information we need that cannot be obtained readily, if not better, using normal hands-off research methods."
Warwick Murray, from Doc's Auckland conservancy, said a report last month revealed the tagging device trial involving three South Island Hector's dolphins - closely related to the Maui's dolphins - off Canterbury's Banks Peninsula was "going very well". The project, for which dolphins were captured and had two holes drilled into the dorsal fin to attach the tags, began in March amid criticism from dolphin scientists, conservation and animal welfare groups.

Murray said it was too early to say if it would be expanded to the Maui's dolphins, as full analysis of the current three-month trial was not expected until August at the earliest.
"We understand the general objection to invasive techniques but we are still absolutely satisfied the potential this technique offers has got huge benefits for Maui's dolphins," he said.
"The results so far from the Hector's dolphins off the South Island have borne out the scientists' expectations that it will have minimal adverse impacts on the animals.
"Their behaviour has been very normal, they have shown absolutely no sign of behaviour being modified as a result of having a tag on."

Murray said the latest population study on Maui's dolphins confirmed Doc's suspicions about numbers and reinforced the fact that it had to act quickly to remove threats to the animals.

"The number has got to a precariously low position and despite our very best efforts it is still possible they might not survive, but we want to do everything we possibly can to help them recover."

One of the main reasons behind the decline of the endemic species is the use of gillnets. Animals become trapped and die in them despite a designated protection zone banning the practice along parts of the coast.

Most of the animals spotted during the summer study lived within four nautical miles of the shore. A second aerial survey will start in July to see whether the dolphins use the same areas during the winter.

( source : www.stuff.co.nz )


No happy ending for dolphin rescue? - South Africa
13th May, 2004

A young dolphin found stranded on the beach near Betty's Bay has been rescued and taken out to sea in a boat - and has swum away looking strong and healthy.

But a Cape Town expert believes the big rescue effort may have been in vain and that the youngster is likely to become prey for sharks.

The dolphin was found on Silversands Beach by an early morning walker who alerted Mike Tannett of Seawatch, a residents' organisation that helps fight marine poaching.

Tannett reported the stranding to Craig Spencer of the Overstrand municipality's nature conservation department. With the help of Overstrand's Marines they got the dolphin into a sling and into Spencer's 4x4.

We took it to Betty's Bay harbour and tried to get it out of the entrance of the harbour, but it swam back onto the rocks. It seemed disorientated. It had a number of cuts, but none appeared deep," Tannett said.

"Eventually we decided to take it out to sea."

"Craig got a boat and we got the dolphin into the boat and he took it about two kilometres out to sea and set it free. Craig said it swam away strongly, so we hope it survives and the story has a happy ending."

Nan Rice, of the Dolphin Action and Protection Group, believes this is unlikely.

"It probably won't last long at sea. It'll die or be preyed on by sharks. The safety of young dolphins lies in the herd. When dolphins are young they know very little and their parents teach them everything, from whistles to echo location. Young dolphins are inexperienced and don't know anything. It's like taking a young child and letting it loose in the Karoo."

Rice believes if a young dolphin washes up on the shore, "it probably has something wrong with it."

"It really should have been euthanased," she said.

"It's not everyone's opinion, I know, but I don't approve of putting young dolphins back if there is no herd. It's just not viable."

Mark Carwardine writes in Whales and Dolphins that although strandings of these mammals are a natural phenomenon, they are "one of the great unsolved mysteries of the animal kingdom".

Possible causes are that changes in the Earth's magnetic field may make the animal lose its sense of direction, a brain infection may lead to its sonar system failing, "or it may simply get lost or feel unwell"

( source : www.iol.co.za )


Dolphin staying in Charlotte Harbor - Florida
13th May, 2004

Toro the dolphin is spending much of her time in what scientists call her core range of Bull Bay in northern Charlotte Harbor, but she’s also roaming around the harbor.

After nearly two months of rehabilitation at Mote Marine Laboratory in Sarasota, the young female bottlenose dolphin was released May 4 at the mouth of Bull Bay. The dolphin had been badly entangled in monofilament fishing line.

Mote scientists are tracking Toro several times a week and have seen her east of Cape Haze and in Gasparilla Sound.

“We found her at the mouth of Bull Bay yesterday and tracked her for a couple of hours through Bull Bay,” Mote senior scientist Kim Hull said. “She chased down and caught a catfish and was carrying it around a while.

“We were hoping she was chomping to bite the catfish’s head off. We recovered a dead dolphin recently with a catfish spine in its lung. When dolphins eat a whole catfish, it’s not a good thing.”

Another not-good thing is that Toro is still lurking around recreational fishing boats, trying to snatch a free meal. Mote scientists think that behavior is partly responsible for Toro’s entanglement.

( source : www.news-press.com )

[ Mote Marine Laboratory ]

20th May

Hi all,

Here are a few items of interest for you all.

Don't forget to join in the chat at the BDMLR Forum .... click on 'Message Board' on the BDMLR website.

Shortly, we will be running another caption competition ...... just for fun and for a BDMLR fleece jacket ! .... keep your eye on the email.

As usual, these stories will appear on the News page of the BDMLR site and any images may be larger.

Cheers,

Tony Woodley

BDMLR OnLine

Exmouth Rescue/Training Co-ordinator


Whale rescue under way - Australia

May 20, 2004

A DANGEROUS rescue operation was under way this morning to free a humpback whale tangled in a fishing net on the Gold Coast.

The 10m long whale, off Currumbin Beach, has ropes around its tail and netting on its body.

The alarm was raised about 7am by an outrigger paddler, but it is believed the whale has been trapped for several hours.

Queensland boating and fisheries Inspector Greg Dickson said the whale did not appear to be injured or distressed.

He described the rescue operation as dangerous.

A whale rescue team from Sea World is on its way to help.

Divers would go into the water only as a last resort.

Insp Dickson said it was the first whale sighted off the Gold Coast this season.

( source : www.theaustralian.news.com.au )


Officials on the lookout for whale tangled in line, buoys - Alaska
19th May, 2004

Officials are on the lookout for a humpback whale that was spotted Saturday entangled in line attached to buoys.

Kamie Liston said she and her husband were boating around 2 p.m. Saturday and spotted the whale tangled off Hannas Reef in Icy Strait, on the west side of Admiralty Island.

The 35- to 40-foot whale was entangled in line to which two buoys were attached, Liston said. One buoy was white and one was red and white. About 250 feet of line trailed behind the animal.

The whale came out of the water enough to breathe, but did not raise its tail to dive, she said.

They watched it for about 90 minutes as it repeated the pattern of swimming about 4 knots and resting. Then the whale, still entangled, began to swim south down Chatham Strait. The Listons headed north to get fuel in Hoonah.

Meanwhile, they called the Coast Guard, which notified the National Oceanic and Atmospheric Administration.

No new sightings have been made since Saturday, but whale rescuers are ready to go, Sheela Mclean, the public information officer for NOAA Fisheries' Alaska region, said Tuesday.

Local pilots and the Coast Guard are on the lookout for the whale, said Sitka biologist Jan Straley, who studies humpback, killer and sperm whales.

A group of whale rescuers has boats ready in Juneau, Sitka and Glacier Bay, Straley said.

The rescue process takes time, though, because the group consists of volunteers who need approval from NOAA before mobilizing.

"The problem is NMFS (National Marine Fisheries Service) is underfunded and understaffed," Straley said.

NOAA has no boats in Alaska that are dedicated to whale rescues, Mclean said.

An entangled whale can survive for a long time if its feeding ability is not impaired, according to Straley. Many whales show up in Hawaii "wearing Alaska gear," she said.

"This whale was cruising down some heavy traffic, so hopefully someone will see it," Straley said.

If the group does find the mammal, it would slow it down by adding buoys to the entanglement, she said. It would then cut the point of attachment to allow the whale to swim freely.

Whale entanglements are uncommon, said Straley, who has untangled four or five in 15 years.

Anyone who spots the whale is asked to call the Alaska Regional Office of Protected Resources at 586-7235.

( source : www.juneauempire.com )


Beached Minke Whale Is Examined by Island Team - Massachusetts
19th May, 2004

The gulls silently appear, fixed and wary sentries settling in place to wait for Hal Child to finish excavating the grave.

She was young, a strong swimmer; four tons of grace, 25 feet of swirl and motion, able to move as fast as 34 knots when alarmed. She should have lived more than 20 years.

Why she did not was in the process of being determined.

A minke whale, the smallest of baleen whales, she died at sea, and, carried by the current, washed up on a gated beach in Chilmark a week ago Thursday.

Minke whales are not uncommon in area waters. Their numbers, while not confirmed, are generally estimated to be approximately 4,000 along the eastern coastline. Except for polar regions, they inhabit waters around the world, carnivores usually as long as 30 feet, weighing as much as seven and a half tons, feeding on plankton and small fish which they filter through baleen plates fringed in white bristles.

They have two blowholes, white bands on their pointed flippers, a pale underside, and a distinctively narrow triangular snout - earning their nicknames, "sharp-headed finner" and "little piked whale."

But little of that was apparent after the Island's marine stranding team finished its necropsy on the large black form that lay on its side on the Quansoo beach.

Before getting close enough to see the fierce crimson incisions where the blowholes and eyes had been, the open rips under her skin exposing sections of cream colored blubber, or the gaping, hollow jaws, she looked like an abandoned raft, a smooth black form, swollen and sand-covered. Her flukes propped upright in the sand, the minke had become a rigid sculpture.

From the ocean side, she held form, but from the grass-covered rise, she was an eviscerated mass of unrecognizable material. Her underside had been slit and pulled open, floating ribs exposed, organs a clotted mass. Her tongue had decomposed in the estimated 24 hours since her death. Her ribbed belly had collapsed, her grooved throat draped like discarded fabric against the lower jaw.

Conducting the necropsy, a volunteer Vineyard marine stranding team trained by the New England Aquarium Rescue and Rehabilitation Program and led by National Marine Fisheries Service volunteer Dr. Roger Williams (Vineyard Veterinary Clinic) had driven to the beach in an open truck, donned latex gloves - some put on foul weather gear - and methodically set to their task.

Oak Bluffs shellfish constable Dave Grunden, Alison Reed, Tom Morrison, Veronica Murry and Sharon Grunden (five of 20 Islanders trained in marine rescue) checked the sinus cavity and looked for parasites around the blow holes which link to the respiratory system. The whale had already reached a code three (out of a possible five) level of decomposition, which renders tissues so degraded, it's difficult to conduct a histology.

The team collected the contents of the stomach, took samples from the oral cavity, the chest, heart, lungs, the abdomen and reproductive organs, packed them in plastic bags and put them in a bucket and cooler to be sent to the New England Acquarium in Boston for evaluation.

Dr. Williams explained, "There's a tremendous amount of information from strandings. You can tell what she ate, if she was hit by a propeller or boat, or had a bacterial infection. He added, "The biggest challenge is determining the species. Then you can usually pin together most of what you need in figuring out the event."

Mr. Child had been working for several hours. Contacted by the National Marine Fisheries Service, an agent of NOAA, and informed that the town of Chilmark health department would be assuming costs, he had arrived just after noon Friday, at low tide, to begin digging. His job would take the entire afternoon.

It is the first time he's buried a mammal on the beach, and it's a slow process, "tedious," he said, keeping the sides of the trench from collapsing, the back hoe from tipping, maneuvering the shovel first, digging, then pushing back the sand.

The trench ran alongside the length of the whale, six to eight feet deep. Mr. Child saved the white top sand to cover and obscure the grave.

And the gulls soared above, witnessing and waiting.

The hot line number for sightings of stranded whales, seals, porpoises and dolphins is 1-617-973-5247.

( source : www.mvgazette.com )


Sunbathing Seal - Keyhaven, Hampshire - UK
16th May, 2004

This Grey seal was observed to jump into this dinghy by the photographer, who was his own boat nearby.

One relaxed seal !

Photos by - Ken Robinson


Struggling dolphin, attacked by sharks, rescued in Zambales - Philippines

16th May, 2004

CITY OF SAN FERNANDO - Environment authorities here rescued Thursday a dolphin struggling to remain afloat off the coast of Masinloc town in Zambales apparently after being attacked by sharks.

Regidor De Leon, executive director of the Department of Environment and Natural Resources (DENR) in Central Luzon, reported that the six-foot-long Fraser’s dolphin (Lagenodelphis hosei) was finally returned to the sea in barangay Balaganon.

De Leon said the dolphin appeared to have been wounded after being attacked by sharks that abound in Masinloc waters.

The dolphin was immediately taken to the Ocean Adventure Marine Park at the Subic Freeport Zone some 80 kilometers away to receive treatment from the park’s marine-mammal veterinarians.

Fraser’s dolphins, that live offshore of tropical seas, are distinguished by their striped body, small flippers and dorsal fin and a very short beak that make them appear robust and short.

These dolphins grow to about nine feet long and are known to frequent the waters of southeastern Negros, Dumaguete, Siquijor, Camiguin, Samal Island and Davao Gulf.

De Leon lauded Masinloc residents for their heroic effort to rescue the marine animal, observing that this indicates their concern for the protection and conservation of the country’s marine resources.

“Dolphins are barometers of the state of health of our oceans and seas, much like the rare Philippine Eagle is an indicator of the health of our rainforests. If our dolphins are sick, it may be that the entire marine ecosystem is in trouble,” he explained.

At the same time, De Leon appealed for greater vigilance among coastal communities to watch out for illegal fishing or harvesting of marine resources, especially those species considered rare, endangered or nearing extinction.

“Saving our dolphins is only part of an even bigger fight -- the fight to save the environment and ourselves, and the rescue is a triumph of human kindness and compassion for other life forms on the planet,” he stated

Records show that dolphins and other marine mammals, particularly the whales and the dugong, face continuing threats from marine pollution and destructive fishing methods, such as cyanide and dynamite fishing that decimate fish stocks and destroy coral habitats.

Republic Act 9147, or the Wildlife Resources Conservation and Protection Act, sets a maximum of 12 years’ imprisonment or a fine of up to P1 million for anyone who kills or destroys wildlife species.

Global warming also threatens to disrupt marine ecosystems by destroying plankton, the minute organisms that serve as food for most marine animals.

Studies show that a slight increase in the sea temperature of about 0.18 to 0.5 degrees Celsius is known to kill plankton.

( source : www.abs-cbnnews.com )



Rescued dolphin kept under care in Hong Kong
15th May, 2004

A stranded rough-toothed dolphin,rescued and taken to the Ocean Park, Friday, last night, is under care and observation by the Hong Kong Agriculture, Fisheries and Conservation Department (AFCD) and the Ocean Park.
AFCD's Senior Marine Conservation Officer Joseph Sham said the male dolphin measured 2.1 meters and weighed 75 kilograms. It was underweight and looked weak.

The AFCD sought the assistance of the rescue team of the Ocean Park headed by Chief Veterinarian Derek Spielman who are prepared to handle stranded dolphins of this nature. The team examined the rough-toothed dolphin and took blood and blowhole samples.

Spielman said the blood test of the dolphin looked normal and there was no sign of dehydration. The animal was clearly ill but an exact diagnosis of its illness has yet to be established. The team will continue to give antibiotics and multi vitamins to increase its strength.

Sham said, "we, together with the Ocean Park, will keep the dolphin under close observation for a few days before deciding on the follow-up actions."

The dolphin was found stranded at Lo Tik Wan, Lamma Island Friday afternoon. The AFCD and dolphin experts tried to take the dolphin back to deeper water but the dolphin swam back to the shore. It was later decided to take the dolphin to the Ocean Park for a detailed examination and care.

Rough-toothed dolphins are not commonly found in Hong Kong. They usually live in groups in tropical and subtropical waters.

( source : www.news.xinhuanet.com )

26th May

Volunteers needed to help with Devon Medic Courses

We have been asked to provide a Marine Mammal medic course exclusively for the staff of the Devon Cliffs holiday park near Exmouth. We hope that this could be the beginning of a close link with this company ( Bourne Leisure ) which has a number of sites across the UK. A course has been arranged at short notice for the 13th June, 2004. This course is not open to the public. ( was a previous date announced but has been changed ).

We also have a public course on the 11th September also at the Devon Cliffs park. Places available, application form can be downloaded from the Training page of the website.

If you are a current Medic and can help out at these courses with setting up the practical session, helping during the session and helping to pack up .... please contact me via tony@bdmlr.org.uk

This is a great way to refresh your skills, meet other medics and keep involved.

Hope to hear from you soon.

Cheers,

Tony Woodley
BDMLR OnLine
Exmouth Group Rescue/Training Co-ordinator


Strange mammal washed up in Gran Canaria

24th May, 2004

On the Tauro beach (Mogan) last Tuesday a strange creature was urged ashore by a fishing boat. The animal was in an advanced stage of decomposition.

At first it appeared to be a huge dolphin, but later it was described as a mixture between a sperm whale, a dolphin and a walrus, with the body of a sperm whale around five metres long, one fin and a small head with the mouth of a dolphin. What called their attention were the large strange tusks which protruded from the lower jaw. It was taken to the Oceanographic Institute for investigation.

Many species are brought to this coast by the tides and we are awaiting confirmation as to its identification, but I’m sure you’ve got better contacts! I thought it might be of interest for the web page bulletin.

Sheila Collis

Island Connections

Ps. I have replied to Sheila with the thought that this animal may have been a 'Mesoplodon layardii' or Strap Toothed whale. Take a look at this link for more info ........ only thing is that it is quite a way out of its recorded range. [ click HERE ]

Sheila will get back to us with the results from the Oceanographic Institute. Tony.


Captive Cetaceans - Not a perfect picture ?

At this link : click HERE

You will find a very interesting item about captive marine mammals. This is a comprehensive and wide ranging article with a large number of pages, images, graphics and videos.

Bear in mind that BDMLR Director & Vet, James Barnett, has recently produced a report "EVALUATION OF REHABILITATION AS AN OPTION FOR STRANDED DOLPHINS, PORPOISES AND WHALES" which is based on a research visit to a number of U.S. facilities. The report is available to download, click HERE to go to the Report page.

Cheers,

Tony Woodley
BDMLR OnLine
Exmouth Group Rescue/Training Co-ordinator


Wild Capture of Cetaceans

The problem of dolphins and whales being wild caught for the captivity industry is not getting any better - please help with the below..

Liz Sandeman

The Marine Connection

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Dolphin swim programme planned for Europe

We have just been advised that tentative enquiries are being made to allow a swim with dolphins facility somewhere in Northern Europe. The link below is by a company carrying out market research as to the feasibility of this facility. Please take 5 minutes to participate in this, by answering the questions, indicating that you would not support their swim with dolphins plans.

click HERE

News just in from our colleague, Ric O'Barry about some dolphin captures in Haiti..

Action Alert

Haiti, May 18, 2004:

Several dolphins have been captured in Haiti by a Mexican capture team. The dolphins are kept in a small and shallow sea cage in the Arcadins Islands, near Port-au-Prince. According to our local contact, the captures have been going on for about three months. He reports that two dolphins have already died and the survivors are not doing well. Some of them have many scars from the capture and are sunburned from the lack of shade. The crude cage is about 15 feet x 15 feet, only five feet deep. This tiny cage holds eight Bottlenose dolphins. The Mexican capture team is building a bigger cage and reportedly has plans to capture more dolphins.

A One Voice team is on its way to Haiti to deal with this problem, and need your assistance:

Please take the time to send a polite message to the new Haitian Minister of Environment. Ask him to confiscate the dolphins immediately. Explain to him the cruelty connected with wild dolphin captures, and point out to him that Haiti is going to receive a great deal of bad publicity as a result of this capture. If you represent an organization, please type your message on letterhead and fax or mail it to the Minister. (Or do both, to make sure he receives it.)

Send your letter to:
Monsieur Yves Andre Wainwright
Ministère de l'Environnement
181, Haut Turgeau
Port-au-Prince
Haïti
Téléphone: 00 (509) 245-7572 or 00 (509) 245-9309
Fax: 00 509 245-7360

Thankyou..


Liberated whale salutes rescuers - Australia
21st May, 2004

It may have been the first to make the annual winter migration up the Queensland coastline this season – only to come to grief in a tangle of rope.
Its trapping reignited debate about the shark meshing program, but Primary Industries Minister Henry Palaszczuk ruled out removing the nets, saying human life was more important than marine life.

The 6m, eight-tonne whale became ensnared in the nets off Currumbin early yesterday. Dawn ski-paddlers alerted authorities, and Queensland Boating and Fisheries Patrol and Sea World marine animal rescuers sprang into action.

In a delicate and dangerous two-hour operation, the rescuers used pole-mounted cutting tools to free the whale which was heavily tangled by its tail and head. "It's a bit like trying to work on an elephant, so it's always very dangerous," Boating and Fisheries Patrol officer Mark Saul said.

Sea World spokesman Stephen McCourt said the mammal had destroyed the nets and was docile from exhaustion, making it easier to free. "It was a copybook rescue," he said. "It's very tired . . . it's got a couple of cuts and nicks on it; but I would expect it to make a full recovery."

( source : www.news.com.au )



Rescued dolphin off Zambales shores dies - Philippines
26th May, 2004

A DOLPHIN earlier rescued by government authorities off the coast of Masinloc, Zambales died of pulmonary congestion while undergoing treatment from veterinary doctors of the Ocean Adventure Marine Park in Subic, environment officials announced Tuesday.

Citing autopsy reports, Department of Environment and Natural Resources (DENR) 3 Director Regidor de Leon said the six-foot long Fraser's dolphin (Lagenodelphis hosei), ingested assorted plastic bags in its first stomach and was suffering from severe gastritis.

The marine mammal was also found to be dehydrated, severely malnourished and underweight, and suffering from tapeworm infestation, the report added.

Veterinarian Christopher Torno of the Ocean Adventure Marine Park, who conducted the autopsy, said the dolphin was given antibiotic and fluid therapy, but succumbed to severe pulmonary congestion resulting to heart failure a day after it was brought to the marine park for treatment.

Tissue samples from the marine mammal had been taken to determine the original cause of its death even as the management of the marine park has arranged for the transfer of the dolphin to the University of the Philippines-Los Baños Museum of Natural History for scientific study, Torno said.

As this developed, de Leon requested for greater public vigilance and cooperation in government's environmental protection and conservation activities, saying pollution caused by garbage, particularly plastics, has taken its toll among marine animals.

He warned dolphins and other marine mammals like whales and sea cows called dugong in Tagalog face continued threats from marine pollution and destructive fishing such as the use of fine-mesh nets which entangle and drown marine mammals.

"Dolphins are barometers of the state of health of our oceans and seas, much like the rare Philippine Eagle is an indicator of the health of our rainforests. If our dolphins are sick, it may be that the entire marine ecosystem is in trouble," he said.

Global warming caused by the unprecedented release of carbon dioxide and other greenhouse gases into the atmosphere since the Industrial Revolution in the 1700s also threatens to disrupt the marine ecosystem by destroying plankton.
Plankton, minute organisms that serve as food for most marine mammals, are known to die at a slight increase in sea temperature of about 0.18 to 0.5 degrees Celsius, studies show.

Fraser's dolphins live offshore tropical seas and are distinguished by their striped bodies, small flippers, dorsal fin, and very short beak. They grow up to about nine feet long and are known to frequent waters of southeastern Negros, Dumaguete, Siquijor, Camiguin, Samal Island, and Davao Gulf.

The Philippines has some 2.7 million hectares of coastal waters and about 200 million hectares of territorial waters teeming with marine life.

The country's coastal zone stretches to more than 17,000 kilometers - the world's fifth longest - providing livelihood and sustenance to about 70 percent of the country's municipalities.

The rich ecosystem is home to 2,000 species of fish; 5,000 species of snails, clams, and other mollusks; 488 species of corals; 22 species of endangered marine mammals, six out of eight species of marine turtles, and at least 22 species of beach vegetation such as algae, sea grass beds and sea weeds communities.

( source : www.sunstar.com.ph )


Mating manatees stop traffic along parkway - Florida
25th May, 2004

The first call came in about 9 a.m. Monday, reporting a body in the bay just off the Courtney Campbell Parkway. The next caller described it as a beached dolphin or maybe even a whale, police said.
Turns out, it was just nature, and springtime. A female manatee was being courted by a group of about 10 males, all vying for her affections.

A crowd of onlookers formed. Parents pointed, and cell phones and handhelds snapped images of the manatee herd frolicking just offshore in 2 to 3 feet of water. Horns blared as traffic slowed along the bridge near Ben T. Davis Beach. About 500 people had stopped by noon, said Luis Valquez of the Tampa Police marine unit.

At one point, the manatees thrashed around, momentarily creating the effect of a white water fountain. Then they dispersed, only to return.

"Sometimes it looks violent," said Virginia Edmonds, assistant curator of Florida mammals at Lowry Park Zoo. During breeding season, which begins in May, the zoo gets many calls from people concerned that a manatee looks like it's suffering.

Often, the zoo explains, they're just mating.

Otherwise, Edmonds said, "It's not often that you see a herd of them. They're not that social usually."

About 1,000 of the estimated 3,300 endangered manatees in Florida live in shallow waters in the Tampa Bay area, Edmonds said. Females with calves sometimes travel in small herds, but males are usually solitary and play no role in raising calves.

But these males had sensed a female's presence.

"If she's ready to breed, the males know that and want to pass on their genes," Edmonds said.

Sheri Etchemendy, a researcher with the Florida Fish and Wildlife Conservation Commission, was on the scene Monday, documenting the manatees' scars. Each time one of the creatures rose out of the water, she snapped a photo.

Most Florida manatees are identified by their scar patterns from propellers or boat hulls, she said.

Carol Mann, 59, whose vehicle sports a manatee license plate, stopped to see what was happening Monday, along with her husband, Dan Klinke, 51.

"We've never seen anything like this before," Mann said. "We thought it was like a beached whale or something."

They strolled along the edge of the bay, gazing out at the herd and talking of a trip to Crystal River to swim with manatees.

"What a nice way to spend a day," Klinke said.

( source : www.sptimes.com )


In wild, many marine mammals are at risk from human influences
24th May, 2004

The carcasses of more than 120 bottlenose dolphins washed up along the shores of the Florida Panhandle last month, the victims of what scientists suspect was a red tide outbreak and environmentalists blame on run-off from development.
From pollution to hunting and fishing, marine mammals in the wild die by the thousands from contact with humans.

Scientists suspect the recent dolphin die-off in the Panhandle resulted from high levels of a toxin associated with red tide, but they disagree about what causes the deadly algal blooms. Some say red tide is naturally occurring; others agree with environmental groups that pollution can trigger it.

Wastewater run-off, rich in phosphorus and nitrogen, feeds phytoplankton in the water and sets off explosive growth, they say. The Natural Resources Defense Council wants a halt to discharges into the Gulf of Mexico by industry, farms and residential neighborhoods.

In a sweeping and critical report last month, the U.S. Commission on Ocean Policy, which Congress set up in 2000, called for immediate action to end gross pollution of the oceans from shoreline development, the use of offshore oil and gas, coastal tourism and marine transportation.

Fishing

Fishermen netting tuna kill 1,500 to 2,000 dolphins a year. International agreements that include measures allowing observers to accompany fishing crews have reduced the mortality, which reached 400,000 a year in the early 1970s. However, dolphin populations are not rebounding as scientists expected.

Researchers in Britain say 800 whales and dolphins die daily around the world because of fishing. Europe recently limited the use of nets and began requiring pingers, which emit sonic signals, to warn dolphins away.

Two months ago, rescuers chased up the East Coast after a young North Atlantic right whale - a rare, endangered species - was found off St. Augustine badly entangled in a fishing net. Nicknamed Kingfisher, the 34-foot-long whale was seen with lines wrapped around his blowhole and mid-body, fishing buoys and gear slapping his sides.

The lines could embed in his flesh and set off an infection. Rescuers attached a tracking device and figured they could trail and eventually free him, but a ship along the New Jersey shore cut off the tracking device and Kingfisher's whereabouts and health are unknown.

Boating

Marine mammals caught in the paths of boats and ships die by the hundreds every year. Manatees are common victims of boating throughout Florida, but other animals affected include the endangered right whale. Ships struck and killed at least 12 of the estimated 300 left in the 1990s.

Hunting

Despite a global moratorium on whaling, Norway still hunts and kills about 700 minke whales a year. Japan kills a similar number for what it describes as research. The United States banned whaling in 1972. The year before, U.S. hunters killed 132 whales.

Canada has gradually increased a quota on harp seal hunts, allowing up to 350,000 a year to be killed. Their skins are turned into suede and other leather goods. Protests stopped what many considered the inhumane practice of clubbing newborns to death. Now, hunters in trawlers are allowed to shoot animals that are at least 12 days old.

Military

Some scientists have concluded that military use of sonar in the world's oceans may be responsible for dozens of whale and dolphin deaths in recent years. The U.S. Navy initially denied a connection to its sonar in the beaching and deaths of eight whales following a training exercise in 2000 in the Bahamas but later ruled out all other causes. Researchers found bleeding around the whales' brains and ears, likely from exposure to loud noise.

Marine mammals depend on sound to communicate.

Sonic waves can shake and tear the animals' organs, cause them to become disoriented and even kill them, some scientists believe. The noises also may cause marine mammals to panic and ascend too rapidly. Researchers found gas bubbles in whales that beached themselves and died after a 2002 international naval exercise in the Canary Islands, leading the researchers to conclude the animals may have suffered decompression sickness akin to the bends, which afflicts scuba divers.

Last fall, in a settlement of a lawsuit filed by environmentalists, the Navy agreed to limit use of a new sonar system to detect enemy submarines. However, the Navy's use of dolphins for detection continues, with dolphins on assignment in oceans near Iraq.

( source : www.sun-sentinel.com )