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
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
The elephant brain weighs about 6,000g.
274
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Whales and dolphins can't taste anything other than salt.
11