Up Next
Back to Show
Eons
How Sloths Went From the Seas to the Trees
Season 2
Episode 4
The story of sloths is one of astounding ecological variability, with some foraging in the seas, others living underground, and others still hiding from predators in towering cliffs. So why are their only living relatives in the trees?
Support Provided By
7:23
These animals truly ruled the Earth, becoming both abundant and diverse.
10:44
The key to solving the puzzle of Precambrian life was a tiny bit of fossilized fat.
9:11
The two viruses that we’ve had for millions of years.
9:31
The arrival of plants on land would eventually help cause a massive extinction event.
8:27
Cerro Ballena has over 40 skeletons of marine mammals from the Late Miocene Epoch.
7:59
Part of a secret to our success as a species has been our early experimentation with food.
11:09
Some rocks below the Great Unconformity are 1.2 billion years older than those above it.
9:21
It took thousands of years of interactions to develop our deep bond with dogs.
12:18
Is it possible that monsters that populate our legends were influenced by the fossil record?
10:09
Just a few thousand years ago, Madagascar was inhabited by giant lemurs.
