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
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
There's a rare breed of pig that looks like a sheep.
14
Condoms were originally made of animal intestines or linen.
347
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10