Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
A dairy cow can produce more milk when listening to music.
446
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
The colossal squid has the largest eyes in the world.
4
Early American humans hunted car-size armadillos and used their shells for houses.
12