The reindeer is the only mammal that can see UV light.
17
A dairy cow can produce more milk when listening to music.
446
Cats and dogs can hear ultrasound.
350
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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Mosquitoes don't just bite you, they also pee on you.
11