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

Fourteen species of baleen whales are instrumental in moving ... sea birds and even fellow whale species. A whale's diet ...

All whales are divided into two suborders: Odontoceti (those that have teeth) and Mysticeti (which have baleen plates instead). A whale's diet depends on its suborder. But not all whales within each ...

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 ...

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

Deep in the Pacific, humans have tracked a mysterious whale’s call for decades—but no other whale seems to respond. And now, we might be running out of time to find the source.

These whales' massive heads and jaws accommodate hundreds of baleen “teeth.” Rights and other baleen-feeding whales use a comblike strainer of baleen plates and bristles to ensnare tiny ...

Krill make up the vast majority of a blue whale's diet. The blue whale is a filter-feeder ... food is pushed out of the mouth by its enormous tongue, through strainer-like baleen plates which hang ...

Like bowheads, right whales filter feed through baleen and migrate seasonally to give birth. Whalers considered them the “right” whales to hunt due to their thick blubber, which caused them to ...

The Cetacea clade contains the largest animal to ever live—the blue whale—as well as other gigantic baleen whales and a diverse array ... can tell researchers about the animals’ behavior and diet. For ...

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 ...