A scorpion can hold its breath for up to 6 days.
19
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
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