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 ...

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 ...

The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny, shrimp-like animals known as ...