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When Whales Walked: Journeys in Deep Time

Walking Whale Ancestor

3m 12s

Blue whales are the biggest creatures to have ever lived on Earth. Measuring up to a hundred feet long and 200 tons in weight, they have a heart the size of a small car. But how did they get so big? Surprisingly, whales weren’t always gargantuan water-dwelling mammals. In fact, their ancestor Pakicetus, was the size of dog and walked on land.

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 • 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
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