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 ...

For the first time, scientists temporarily captured baleen whales and tested their hearing, a controversial step that brings ...

are classified as "toothed whales" because they have teeth. Baleen whales, on the other hand, have large, comb-like "baleen plates" that are made from the same material as our fingernails.