Laughing Squid on MSN5 个月
Pakicetus, A Four-Legged Furry Carnivore That Was a Prehistoric Ancestor to Whales and Dolphins
PBS Nova explained how a small, furry prehistoric four-legged, semi-aquatic carnivore called the Pakicetus was a direct ...
Natural History Museum%2c London1 年
When whales walked on four legs
Pakicetus (pictured above) looked nothing like a whale ... About 34 million years ago, a group of whales began to develop a new way of eating. They had flatter skulls and feeding filters in their ...