Only 3% of bird species have penises.
0
The head of a jellyfish is called the "Bell."
6
A polar bear's skin is black. Its fur is not white, but actually clear.
25
The technical term for a cat’s hairball is a “bezoar.”
117
A group of kangaroos is called a mob.
28
A group of geese on the ground is a gaggle, a group of geese in the air is a skein!
19
A hedgehog's heart beats 300 times a minute on average!
14
A group of frogs is called an army.
51