Sheep, goats, octopuses, and toads have rectangular pupils.
7
A puppy is born blind, deaf, and toothless.
16
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
The seahorse is the only fish to have a neck.
12
Early American humans hunted car-size armadillos and used their shells for houses.
12
When you shave a guinea pig it looks like a little hippo.
19
When cats are happy, they may squeeze their eyes shut.
10
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6