The first calf born in three years to the endangered orcas that spend time in Pacific Northwest waters died Tuesday, the latest troubling sign for a population already at its lowest in more than three decades.
A dead whale was seen being pushed to the surface by her mother just a half hour after it was spotted alive in the waters off the coast of Victoria, said Ken Balcomb, senior scientist with the Center for Whale Research on San Juan Island, which closely tracks each individual whale.
The mother was seen propping the newborn on her forehead and trying to keep it near the surface of the water, he said. “The baby was so newborn it didn’t have blubber. It kept sinking, and the mother would raise it to the surface.”
The distinctive black-and-white whales have struggled since they were listed as an endangered species in the U.S. and Canada over a decade ago. They’re not getting enough of the large, fatty Chinook salmon that make up their main diet. They also face threats from toxic pollution and noise and disturbances from boats.
A statewide task force formed by Washington Gov. Jay Inslee has been meeting since spring to come up with ways to help the population. Efforts include slowing down state ferries to reduce the effect of noise, increasing hatchery production of salmon, training more commercial whale-watching boats to help respond to oil spills, and prioritizing areas where important habitat can be restored to help fish and orcas.
Balcomb and others say more aggressive measures are needed. They have called for the removal of four dams on the Lower Snake River to restore salmon runs.
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There are just 75 of the orcas, down from 98 in 1995.
The number is a concern, but the bigger issue is the reproductive status of the small population, Balcomb said. There are 28 whales of reproductive age, and only 14 have produced calves in the last decade.
