When Whales Walked: Journeys in Deep Time

Walking Whale Ancestor

Name: Walking Whale Ancestor
Uploaded: 2019-06-11T21:49:51Z
Duration: P192S
Description: 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.

Clip | 3m 12s | Video has closed captioning.

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.

Aired: 06/11/19

Rating: TV-PG