Beluga whales, which live in the Arctic, are toothed whales and use echolocation to track their prey. Photo: Michael Wenger After a decade of work, a Danish-German research team deciphered how toothed whales generate the clicks they use to locate and catch their...
Blue whales are the largest animals known to have existed, weighing up to 200 tons. With their rather coarsely bristled baleen, they filter the smallest animals such as krill and copepods from the seawater. In summer, a blue whale devours an estimated 40 million of...