Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Cows can sleep standing up, but they can only dream lying down.
745
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
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57