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
Dolphins have names for one another.
18
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2