The Basenji dog is the only dog that is not able to bark.
4
A tortoise named Adwaita lived to 255 years old. To put it into perspective, he was born before the United States of America existed and his death was announced on CNN (1750-2006).
12
Tigers can see 6 times better at night than humans.
305
When cats are happy, they may squeeze their eyes shut.
10
Whales and dolphins can't taste anything other than salt.
11
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