Whales and dolphins can't taste anything other than salt.
11
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
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
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12