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

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 ...

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

Some baleen whales avoid killer whale attacks by singing songs at deep frequencies that their predators cannot hear.

Avoiding predators is one of the most important jobs for many members of the animal world. Even ocean giants like baleen whales have something to fear from killer whales, their only known natural ...

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

Scientists confirm that orcas and dolphins have lost the ability to return to dry land due to irreversible evolutionary ...

Orcas, like humans, get baby bumps in the early months of pregnancy and grow larger as the pregnancy advances. Researchers ...

The endangered southern resident killer whales that visit Puget Sound were listed for protection under the federal Endangered ...

Whales are gathering in large numbers off New Jersey in a portion of the Atlantic Ocean called the New York Bight, according to several sources.

Visitors can book a whale-watching boat trip to get up close. However, Bodega Head—part of Sonoma Coast State Park—is one of ...