Newborn orca from endangered B.C. pod dies shortly after birth

"Having a newborn, there were a few moments of brief, brief happiness, and then followed by disappointment and sadness," said one marine biologist.

Last successful birth for group took place in 2015

An orca whale breaches in view of Mount Baker in the San Juan Islands in 2015. (Elaine Thompson/Associated Press)

Researchers say a newborn calf from B.C.'s endangered killer whale population has died. 

The Center for Whale Research, based in Friday Harbor, Wash., says the calf was alive for a few hours before it died Tuesday.

Victoria-based skipper Mark Malleson said he saw something unusual among a group of orcas Tuesday morning near San Juan Island, Wash., close to the international border. 

"I looked through the binoculars and I saw that there was a new calf swimming with them," Malleson said. "Then, as I got the angle turned so I could actually see the saddle patch with the binoculars, [I] realized we've got resident killer whales."

He alerted the Center for Whale Research. Researchers arrived to find the the mother, J-35, balancing her baby on her nose trying to keep it afloat.

But her newborn was dead.

The mother orca tried to balance her newborn on her nose to try and keep it afloat. (CHEK)

"Having a newborn, there were a few moments of brief, brief happiness, and then followed by disappointment and sadness," said Dr. Anna Hall, a marine biologist with the Center for Whale Research.

"This is a population that is clearly struggling in terms of numbers."

Decline in chinook salmon

The southern resident killer whale population is a group of three orca pods that live around the coast of Oregon, Washington and Vancouver Island. Their primary food source is salmon, particularly chinook salmon.

After the death of a 23-year-old orca known as "Crewser" in mid-June, the total number of southern resident killer whales is down to 75, which is the lowest count since the early 1980s. The population has dropped by eight since 2016. 

Researchers believe one of the reasons for the fall in population is the decline in Fraser River chinook salmon. 

In May, the federal government announced plans to cut the allowable catch of chinook by 25 to 35 per cent. 

In June, it announced further measures to help the endangered resident killer whale population including reducing underwater vessel noise and better monitoring pollution.

"I think there is always hope. We have to remember wild animals can be quite resilient when the threat factors are removed or the situation changes," Hall said.

The last successful southern resident killer whale birth took place three years ago. A 2017 study by the University of Washington found that more than two-thirds of orca pregnancies among the group failed over a seven-year period.

With files from CHEK News

Read more from CBC British Columbia

Comments

To encourage thoughtful and respectful conversations, first and last names will appear with each submission to CBC/Radio-Canada's online communities (except in children and youth-oriented communities). Pseudonyms will no longer be permitted.

By submitting a comment, you accept that CBC has the right to reproduce and publish that comment in whole or in part, in any manner CBC chooses. Please note that CBC does not endorse the opinions expressed in comments. Comments on this story are moderated according to our Submission Guidelines. Comments are welcome while open. We reserve the right to close comments at any time.