Эволюция КИТА — от собаки до великана океана

Whale Evolution: How Did a Dog-Size Land Predator Become the Largest Creature Ever Evolved? We explore the whale's origins and the species' 50 million-year history—from a four-legged beast that roamed the shores of an ancient sea to a blue whale as long as a nine-story building. You will learn: why the closest living relative of the whale is not a dolphin or a sea otter, but a hippopotamus, how Pakicetus, an animal the size of a wolf, took its first step on its way to the ocean, why Ambulocetus, the “walking whale,” needed webbed feet and a powerful paddle-like tail, how the whale’s nostrils gradually “moved” over millions of years from the tip of the snout to the back of the head, turning into a blowhole, why modern whales still have tiny pelvic and hind leg bones hidden inside their bodies, left over from their land-dwelling ancestors, how the embryonic whale grows barely noticeable rudiments of hind legs for a few days, which then disappear, why Basilosaurus, a giant snake-like predatory whale, still needed small toes on its almost disappeared feet, how toothed whales acquired echolocation and learned to “see” with sound in The pitch-black ocean, and why the transformation of a land animal into a sea giant took only 10-15 million years—a blink of an eye in evolutionary time. #whale #evolution #whales #animals #wildlife #animalfacts #nature #educational #ocean #whaleevolution Keywords: whale evolution, whale origin, whale history, whale ancestors, whale descended from a land animal, whale and hippopotamus relatives, Pakicetus whale ancestor, Ambulocetus walking whale, Basilosaurus ancient whale, vestigial pelvic bones in whales, whale echolocation, whale is a mammal, whale facts, you are a whale and this is your life