Cats and dogs can hear ultrasound.
350
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Giant Anteaters' front legs look like a panda.
48