Squirrels forget where they hide about half of their nuts.
698
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Sharks have been on the planet longer than trees.
14
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7