Hummingbirds can weigh less than a penny!
12
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Goldfish remember better in cold water than warm water.
29
A species of earthworm in Australia grows up to 10 feet in length.
10
The venom of a small scorpion is much more toxic than the venom of a large scorpion.
60
Iguanas have two penises!
55
Dogs have been man's pet for over 14,000 years.
224
Elephants are the only animals that can't jump.
1