Cows can sleep standing up, but they can only dream lying down.
745
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
Lurch, a Watusi bull, had the largest horns in the world.
32
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
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Cats lose almost as much fluid in the saliva while grooming themselves as they do through urination!
205