In Australia, there are spiders big enough to eat snakes.
20
Polar Bears can eat more than 50 lbs. of meat in one setting.
25
Beavers can swim half a mile underwater on one gulp of air.
31
Hummingbirds can weigh less than a penny!
12
The lifespan of mammals is about 1 and a half billion heartbeats.
127
According to scientific studies, a rat's performance in a maze can be improved by playing music written by Mozart.
46
A crocodile always grows new teeth to replace the old teeth!
15
Racehorses can wear out new horse shoes in one race.
38