Sheep, goats, octopuses, and toads have rectangular pupils.
7
Dolphins have names for one another.
18
Whales and dolphins can't taste anything other than salt.
11
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When you shave a guinea pig it looks like a little hippo.
19
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17