Giant Anteaters' front legs look like a panda.
48
Sheep, goats, octopuses, and toads have rectangular pupils.
7
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
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Dolphins have names for one another.
18
Early American humans hunted car-size armadillos and used their shells for houses.
12
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Cows can sleep standing up, but they can only dream lying down.
745