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When Whales Walked: Journeys in Deep Time

Empire of Elephants

4m 46s

Today there are only three species of elephant, but 16 million years ago there were dozens. What happened to all those species? Over many millions of years, due to climate change and predation pressure from humans, elephants waned until today, where there are only three species left.

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 • 4:33
When Whales Walked: Journeys in Deep Time
Birds Are Living Dinosaurs
Birds have colonized every environment on Earth, so how did they come to be so diverse?
Clip: 4:33
Watch • 2:59
When Whales Walked: Journeys in Deep Time
Crocodile Ancestors
Scientists are now discovering the earliest ancient crocodiles.
Clip: 2:59
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