Just one of the 52 short-finned pilot whales that washed up on an Indonesian shore last week survived, an official said. Volunteers and local authorities on the island of Madura initially managed to save three whales, pushing them back out to sea. But the trio became stranded again at a different location, and two of them died, according to Permana Yudiarso, the head of the marine resources agency in neighboring Bali island. Contact with the rocky ocean floor had injured them somewhat, said I Made Jaya Ratha, a veterinarian who was among those at the scene, though they were still in relatively good condition. The governor of East Java province, Khofifah Indar Parawansa, said that according to volunteers, “some of the whales got back to the coast again as their mothers are still stranded at the beach.” The pilot whales in Madura. Image courtesy of the Bali marine resources agency. Researchers are now trying to figure out why the whales ended up on land, just the latest mass beaching incident in the country with the world’s longest coastline. Results of the necropsies — autopsies performed on animals — now underway at Airlangga University in the provincial capital Surabaya will take about a month to come in, Permana said. Observers cited water pollution, extreme weather and shipping activity as among the possible causes of the stranding — though they cautioned they could only speculate. “The main cause can only be known from the necropsy of the alpha pilot whale apart from…This article was originally published on Mongabay Läs mer

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