“Basically, Chinook salmon, which have been their primary diet for eons, are now very scarce out there,” he explained. “So they’re relying on other fish, coho, chum salmon, sometimes ...
More than 100 years ago, wild winter-run Chinook salmon from the icy cold McCloud River near California's Mount Shasta ended up in the glacially cold mountain waters of New Zealand, where they ...
“This implies that southern resident killer whales have greater access to chinook salmon compared to northern residents during summer — and that any food shortage southern residents may be ...