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When Whales Walked: Journeys in Deep Time

Birds Are Living Dinosaurs

4m 33s

Birds have colonized every environment on Earth, and they come in an astonishing variety of shapes, colors and sizes. There are more than 10,000 species of bird alive today, so how did they come to be everywhere and so diverse? After discovering an assortment of fossils, scientists have concluded that birds must have evolved from dinosaurs.

A Shining Red Production in association with Twin Cities Public Television, Inc.
Extras
Watch • 0:30
When Whales Walked: Journeys in Deep Time
When Whales Walked: Journeys in Deep Time | Preview
Discover the evolutionary secrets of some of the world’s most majestic creatures.
Preview: S1 E1 | 0:30
Watch • 2:10
When Whales Walked: Journeys in Deep Time
When Whales Walked: Journeys in Deep Time | Teaser
Discover the evolutionary secrets of some of the world’s most majestic creatures.
Clip: S1 E1 | 2:10
Watch • 2:10
When Whales Walked: Journeys in Deep Time
When Whales Walked: Journeys in Deep Time Intro
Discover the evolutionary secrets of some of the world’s most majestic creatures.
Preview: S1 E1 | 2:10
Watch • 2:21
When Whales Walked: Journeys in Deep Time
When Whales Walked: Journeys in Deep Time | Trailer
Discover the evolutionary secrets of some of the world’s most majestic creatures.
Preview: S1 E1 | 2:21
Watch • 2:59
When Whales Walked: Journeys in Deep Time
Crocodile Ancestors
Scientists are now discovering the earliest ancient crocodiles.
Clip: 2:59
Watch • 4:46
When Whales Walked: Journeys in Deep Time
Empire of Elephants
Today there are three species of elephant, but 16 million years ago there were dozens.
Clip: 4:46
Watch • 3:12
When Whales Walked: Journeys in Deep Time
Walking Whale Ancestor
Blue whales are the biggest creatures ever. But how did they get so big?
Clip: 3:12
Latest Episodes
Watch • 1:54:37
When Whales Walked: Journeys in Deep Time
When Whales Walked: Journeys in Deep Time
Discover the evolutionary secrets of some of the world’s most majestic creatures.
Episode: S1 E1 | 1:54:37