Armadillos can get leprosy.
13
Crocodiles swallow stones to help them dive deeper.
55
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 Giraffe has the same number of bones in its neck as a man.
36
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
According to scientific studies, a rat's performance in a maze can be improved by playing music written by Mozart.
46
Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
Sharks, like other fish, have their reproductive organs in their chests.
248