“Spying on Earth’s Most Awesome Creatures” –Scientists Pursue Undiscovered Species of Whales Swimming Below Since the Eocene

  “Once upon a time—in the Eocene epoch—whales were quadrupeds. They walked on land. One primitive cetacean ancestor, Pakicetus, is thought to have been a canine-size, shore-living creature with a doggy tail and clawed paws. It probably had fur (hair typically fails to fossilize, so on this point there is debate). With its tiny, wide-set … Continue reading “Spying on Earth’s Most Awesome Creatures” –Scientists Pursue Undiscovered Species of Whales Swimming Below Since the Eocene