Sheep, goats, octopuses, and toads have rectangular pupils.
7
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
The largest earthworm on record was found in South Africa and measured 22 feet.
151
There's a lizard known as the 'Jesus Lizard' that can run across water.
11