A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
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
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
Parrot parents "name" their children with a signature call.
112
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
A group of kittens is called a "kindle".
10