Dogs sometimes fake being sick to get attention.
26
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Sharks have been on the planet longer than trees.
14
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
When cats are happy, they may squeeze their eyes shut.
10
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
A 42-foot sperm whale has about 7 tons of oil in it.
209