When dragonflies mate, their tails form a love heart.
22
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The original name for the butterfly was 'flutterby'!
121
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A giraffe can clean its ears with its 21-inch tongue!
31
There are some species of snails that are extremely venomous.
72
