Up Next
Back to Show
Eons
How the Walrus Got Its Tusks
Season 3
Episode 12
The rise and fall of ancient walruses, and how modern ones got their tusks, is a story that spans almost 20 million years. And while there are parts of the story that we’re still trying to figure out, it looks like tusks didn’t have anything to do with how or what these animals ate.
Support Provided By
7:09
Turns out bats didn’t give us butterflies and we should be thanking bees and beans.
8:58
Graptolites show us how unpredictable the Silurian period really could be.
7:50
From an evolutionary perspective, is bigger always better?
9:31
This is how our planet rescued itself from extreme conditions in the Cretaceous Period.
8:03
What happened to the piece of prime prehistoric real estate known as Doggerland?
8:10
About 6,000 years ago, a lone female mosquito buzzed through the lush savannah in Africa.
9:01
The giraffe's neck as made us reconsider our understanding of how evolution really works.
8:03
In between two islands of Indonesia, there’s a line that is both real and not real.
8:40
From an evolutionary perspective, who really has the stranger wings?