A puppy is born blind, deaf, and toothless.
16
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Female kangaroos have three vaginas.
2
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
Squirrels forget where they hide about half of their nuts.
698
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Early American humans hunted car-size armadillos and used their shells for houses.
12