Baleen is a flexible, keratin-based filtering system that allows whales to feed on massive amounts of tiny prey efficiently. Different baleen shapes and sizes reflect different feeding strategies, ...

In nature, we usually think of teeth as a must-have for survival, used to bite, chew, tear, or grind food. But not all animals rely on teeth. In fact, some don’t have any at all, and still manage to ...

Whales are mighty. Blue whales, for example, aren’t only the largest animal on Earth, but as far as we know, they’re the largest animal that’s ever existed on Earth—and that includes dinosaurs.