The octopus' testicles are located in its head.
82
A hippo can open its mouth wide enough to fit a 4 foot tall child inside!
23
It's possible to lead a cow upstairs, but not downstairs.
50
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Some breeds of chickens lay colored eggs!
51
On average, it takes 660 days from conception for an elephant to give birth.
19
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6