Skip to main content

Up Next

The Reign of the Hell Ants

The Reign of the Hell Ants

Season 3 Episode 32
10:09
When We First Talked

When We First Talked

Season 3 Episode 34
11:13
The Genes We Lost Along the Way

The Genes We Lost Along the Way

Season 3 Episode 36
12:01
How Worm Holes Ended Wormworld

How Worm Holes Ended Wormworld

Season 3 Episode 38
9:42
When Crocs Thrived in the Seas

When Crocs Thrived in the Seas

Season 3 Episode 41
9:08
How To Survive the Little Ice Age

How To Survive the Little Ice Age

Season 3 Episode 42
10:00
When Trees Took Over the World

When Trees Took Over the World

Season 3 Episode 43
7:28
Back to Show
Eons

The Bear-Sized Beaver That Couldn’t Build A Dam

Season 3 Episode 31

It’s important to us that you understand how big this beaver was. Just like modern beavers, it was semiaquatic -- it lived both on the land and in the water. The difference is that today’s beavers do a pretty special thing - one that the giant beaver probably didn’t, or couldn’t, do.

Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Season
The Dinosaur Who Was Buried at Sea
12:11
Nobody had ever found a specimen like Borealopelta before.
The Biggest Frog that Ever Lived
7:05
Untangling the origins of Beelzebufo -- the giant frog that lived alongside the dinosaurs.
The Story of the Dino Stampede
10:43
To try to solve the puzzle of Lark Quarry, experts have turned to paleoichnology.
How the Walrus Got Its Tusks
7:42
A story that spans almost 20 million years.
When Dinosaurs Chilled in the Arctic
9:20
How were they able to survive in this harsh environment?
The World Before Plate Tectonics
9:24
This period was anything but boring.
When Dinosaur Look-Alikes Ruled the Earth
7:23
These animals truly ruled the Earth, becoming both abundant and diverse.
How We Identified One of Earth’s Earliest Animals
10:44
The key to solving the puzzle of Precambrian life was a tiny bit of fossilized fat.
The Two Viruses That We’ve Had For Millions of Years
9:11
The two viruses that we’ve had for millions of years.
How Plants Caused the First Mass Extinction
9:31
The arrival of plants on land would eventually help cause a massive extinction event.
How the Andes Mountains Might Have Killed a Bunch of Whales
8:27
Cerro Ballena has over 40 skeletons of marine mammals from the Late Miocene Epoch.
The Risky Paleo Diets of Our Ancestors
7:59
Part of a secret to our success as a species has been our early experimentation with food.
Active loading indicator