"The Southern Resident killer whale population needs ample access to their food supply, mainly salmon, to survive and thrive," the Center for Whale Research wrote in a Facebook post. "Every single ...

Researchers say that the killer whale ... make their way up the food chain have also been extremely harmful. Scientists have been warning that Southern Resident killer whales are on the brink ...

SEATTLE — The recent death of a J pod orca calf highlights the plight of the Southern Resident killer whales ... Chinook are the primary food source for Southern Residents, and the salmon ...

Both Canada and the US list Southern Resident killer whales as endangered. The whales depend on Chinook salmon - which have been in dramatic decline in recent years - for food. Failures to ...