A hummingbird weighs less than a penny.
1k
A pig's penis is shaped like a corkscrew.
22
Ants make up 1/10 of the total world animal tissue. The total biomass of all the ants on Earth is about equal to the total biomass of all the people.
85
A hedgehog's heart beats 300 times a minute on average!
14
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Frogs sometimes eat enough fireflies that they themselves glow.
71
Tigers have striped skin, not just striped fur!
78
A woodpecker can peck twenty times a second.
28