Billy goats urinate on their own heads to smell more attractive to females.
31
The energy of a discharge of an electric eel could start 50 cars.
53
Lurch, a Watusi bull, had the largest horns in the world.
32
Bats always turn left when exiting a cave.
40
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Catgut comes from sheep not cats.
11
A shrimp's heart is in its head.
32