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
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
A 42-foot sperm whale has about 7 tons of oil in it.
209
Early American humans hunted car-size armadillos and used their shells for houses.
12
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The Basenji dog is the only dog that is not able to bark.
4