Female kangaroos have three vaginas.
2
A dork is a whale's penis.
327
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Dogs sometimes fake being sick to get attention.
26
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Penguins have a gland above their eye that turns saltwater into freshwater.
12
There's a rare breed of pig that looks like a sheep.
14