Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
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
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
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
The station master and operating officer at the Kishi Station, Japan, is a cat!
18