This image shows the upper jaw and skull of Maiabalaena nesbittae. Whales were the first mammals to evolve baleen, and no other mammal uses any anatomical structure even remotely similar to it to ...

Right whales are the rarest of all large whales. There are several species, but all are identified by enormous heads, which can measure up to one-third of their total body length. These whales ...

Whales are weird. The Cetacea clade contains the largest animal to ever live—the blue whale—as well as other gigantic baleen whales and a diverse array of toothed whales, including dolphins, porpoises ...