Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Cows can sleep standing up, but they can only dream lying down.
745
The colossal squid has the largest eyes in the world.
4
A dairy cow can produce more milk when listening to music.
446