The colossal squid has the largest eyes in the world.
4
A dairy cow can produce more milk when listening to music.
446
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
In Australia, there are spiders big enough to eat snakes.
20
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6