The head of a jellyfish is called the "Bell."
6
When dragonflies mate, their tails form a love heart.
22
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
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
A puppy is born blind, deaf, and toothless.
16