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

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.

Members of the University of Hawaii Marine Mammal Research Program were boating in Wailuku waters off Maui when they captured underwater video of a humpback whale singing, according to a Jan. 27 ...

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 ...

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 ...

These deep singers in the “flight” club include blue, fin, sei, Bryde’s and minke whales. Meanwhile, their higher-frequency singing brethren that fight back when attacked also tend to be ...