When Whales Walked As We

Media Summary: Examine the environmental pressures that turned a wolflike creature that hunted in shallow waters into a leviathan of the seas. Welcome to The Snoozy Scientist, a calm corner of the internet where A spectacular fossil graveyard reveals a 43-million-year-old

When Whales Walked As We - Detailed Analysis & Overview

Examine the environmental pressures that turned a wolflike creature that hunted in shallow waters into a leviathan of the seas. Welcome to The Snoozy Scientist, a calm corner of the internet where A spectacular fossil graveyard reveals a 43-million-year-old Extinction is not an anomaly in the history of life — it is the norm. More than 99.9% of all species that have ever lived on Earth are ... Meet the ancient ancestors of four iconic creatures: crocodiles, birds, Professor Tracey Rogers talks about the evolution of cetaceans,

All footage in this video is the property of PBS. Tags: Stegotetrabelodon. Prehistoric Creatures. Dinosaur. Screen Time. All Scenes. Tags: Deinonychus. Prehistoric Creatures. Dinosaur. Screen Time. All Scenes. Tonight's story: how a small, four‑legged animal standing on the edge of a warm ancient river slowly became the largest creature ...