Some lions mate over 50 times a day.
61
A hummingbird weighs less than a penny.
1k
The most powerful electric eel is found in the rivers of Brazil, Columbia, Venezuela, and Peru, and produces a shock of 400-650 volts.
45
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
When dragonflies mate, their tails form a love heart.
22