South resident killer whales depend on Chinook salmon as their primary source of food, whose populations are also facing a steep decline, per BBC Wildlife. Consequently, the endangered whale ...

Killer whales are the only natural predator of baleen whales—those that have "baleen" in their mouths to sieve their plankton ...

Killer whales, as apex predators with long lifespans, are prone to accumulating high levels of persistent organic pollutants ...

Learn more about how baleen whales split into two groups — fight or flight — and how these groups determine how loud they ...

You can watch PBS on television via most cable TV packages — check your local listings for details. You can also live stream ...

A team of scientists and filmmakers try to advance our understanding of these compelling animals in Expedition Killer Whale, premiering Wednesday, February 12, 2025. The hunting technique of pack ...

New research finds some baleen whale species call at such deep frequencies that they're completely undetectable by killer whales, which cannot hear sounds below 100 hertz. These also tend to be the ...