If a man could run as fast for his size as an ant can, he could run as fast as a racehorse.
108
The Chow and the Chinese Shar-Pei are the only dogs that have black tongues.
32
Dolphins nap with one eye open.
-7
Some ribbon worms will eat themselves if they can't find any food.
-33
In the last 4,000 years, no new animals have been domesticated.
25
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
An eagle can attack, kill, and carry away an animal as large as a small deer.
38
The average housefly weighs 10 to 15 millionths of a pound.
33