Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Cats and dogs can hear ultrasound.
350
Whales and dolphins can't taste anything other than salt.
11
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
Sharks have been on the planet longer than trees.
14
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