AUTHORITIES HAVE REVISED up the number of pilot whales rescued from Australia’s worst mass stranding from 50 to 70, as the focus shifted to removing 380 carcasses.
The number of rescues had been estimated at 50 last night, but 20 more came to light following later discussions with rescue crews, Tasmania Parks and Wildlife Service manager Nic Deka said.
Another 20 whales could potentially still be saved today and vets are considering euthanising another four, Marine Conservation Programme wildlife biologist Kris Carlyon said.
An estimated 470 whales were discovered on Monday and yesterday beached on the shore and sand bars along the remote west coast of the island state near the town of Strahan.
“We’re continuing with the rescue operation. We still have live animals that are viable for rescue,” Deka said. “But at the same time, we’re starting initial efforts with collection for disposal of carcasses.”
He said disposal at sea is the preferred option, but he was taking expert advice.
Carlyon said some of the first whales rescued on Tuesday had beached again, but those guided back to sea yesterday appeared to have not returned. The rescued whales are marked to indicate which have returned.
“The 70 animals that have been refloated and released, we’re confident that most of the animals have got away,” he said. “Once they get into deeper water, they’re very hard to keep track of.”
Why the whales ran aground is a mystery. Theories include that the pod followed sick whales or made a navigational error.
Tasmania is the only part of Australia prone to mass stranding, although they occasionally occur on the mainland.
Australia’s largest stranding had previously been 320 pilot whales near the Western Australia town of Dunsborough in 1996.
Tasmania’s previous largest stranding involved 294 whales on the north-west coast in 1935.
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