Necropsy on southern resident orca shows animal suffered blunt-force trauma

VANCOUVER, B.C. — A necropsy on a dead killer whale found floating off the coast of British Columbia showed the animal had blunt-force trauma to its head and neck, officials said.

The male orca, found in the water off the Sunshine Coast north of Vancouver on Tuesday, also had a hematoma, indicating it was alive for a time after the injury, said Paul Cottrell, Pacific marine mammal coordinator with Fisheries and Oceans Canada.

He said the damage might have been caused by a vessel strike or other “heavy contact,” but investigators are waiting on tissue tests and other results to determine exactly what happened.

“I think as we get more information back from the necropsy, it’ll help inform us going forward, for sure,” Cottrell said.

Investigators have also taken the animal’s skull to Vancouver, where a CT scan will be done to determine whether there were any fractures as a result of the blunt-force trauma.

The 18-year-old orca, known as J34, was part of the endangered southern resident orca population, which lives in the waters off southern British Columbia and Washington state.

At least three other animals in the group have died this year, including a calf, a 23-year-old female called J28 and a male known as L95. Cottrell said there are now 79 whales left in the population.

The Center for Whale Research in Washington state said in a news release it has been voicing concerns for longer than a decade that the endangered whales are not getting enough salmon for their survival.

“We reported that J34 was looking skinny this past summer,” it said.

Cottrell said the necropsy showed the almost 23-foot-long orca was in overall good condition with a thick layer of blubber.

There’s a lot of research going on to help protect the southern resident killer whales, and J34’s death will likely help that work progress, he said.

“There’s a big effort going on and of course, when we get a fresh carcass where we can get more information on cause of death and the details around that, we want to know what happened and why, and if it’s a human-caused issue, how we can mitigate that going forward is really important.”

The Sechelt First Nation, which helped retrieve the whale’s body, will keep the skeleton and plan to display it in the future, Cottrell said.

But first the carcass will be left outside for about a year so various organisms can strip it of all organic matter, he explained. Once clean, the bones will be reassembled and displayed.

“This is a beautiful specimen, 18 years old, in the prime of his life. His teeth and everything were in great shape. So this will be a great specimen for display,” Cottrell said.

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