Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Parrot parents "name" their children with a signature call.
112
When cats are happy, they may squeeze their eyes shut.
10
Mosquitoes don't just bite you, they also pee on you.
11