Female kangaroos have three vaginas.
2
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
The Basenji dog is the only dog that is not able to bark.
4
Early American humans hunted car-size armadillos and used their shells for houses.
12
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