Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Gorillas can catch human colds and other illnesses.
205
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
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
When dragonflies mate, their tails form a love heart.
22