Sheep, goats, octopuses, and toads have rectangular pupils.
7
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The elephant brain weighs about 6,000g.
274
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109