The Chow and the Chinese Shar-Pei are the only dogs that have black tongues.
32
Domestic pigs average a top speed of about 11 miles per hour.
182
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
The placement of a donkey's eyes in its' heads enables it to see all four feet at all times.
96
Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
33
In just about every species of mammal, the female lives longer than the male.
43
Most elephants weigh less than a blue whale's tongue.
442
There wasn't a single pony in the Pony Express, just horses!
57