When cats are happy, they may squeeze their eyes shut.
10
A 42-foot sperm whale has about 7 tons of oil in it.
209
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
A group of kittens is called a "kindle".
10
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Two dogs were among the Titanic survivors.
262