The colossal squid has the largest eyes in the world.
4
A dairy cow can produce more milk when listening to music.
446
Cows can sleep standing up, but they can only dream lying down.
745
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
A group of kittens is called a "kindle".
10