Media Summary: Examine the environmental pressures that turned a wolflike creature that hunted in shallow waters into a leviathan of the seas. PBS Member Stations rely on viewers like you. To support your local station, go to ↓ More info below ... Discover the evolutionary secrets of some of the world's most majestic creatures. From voracious crocodiles and acrobatic birds to ...
Morphed When Whales Had Legs - Detailed Analysis & Overview
Examine the environmental pressures that turned a wolflike creature that hunted in shallow waters into a leviathan of the seas. PBS Member Stations rely on viewers like you. To support your local station, go to ↓ More info below ... Discover the evolutionary secrets of some of the world's most majestic creatures. From voracious crocodiles and acrobatic birds to ... A marine biologist explores the unbelievable evolution of seven different mammal lineages that transitioned back to the sea after ...
