When cats are happy, they may squeeze their eyes shut.
10
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
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
There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
10
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
The largest breed of rabbit is the Flemish Giant.
65
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8