Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
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
Gorillas can catch human colds and other illnesses.
205
Parrot parents "name" their children with a signature call.
112
A lion in the wild usually makes no more than twenty kills a year.
186