In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Squirrels forget where they hide about half of their nuts.
698
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The reindeer is the only mammal that can see UV light.
17
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20