Sheep, goats, octopuses, and toads have rectangular pupils.
7
The average cat sleeps about 2/3 of the day.
203
The average housefly weighs 10 to 15 millionths of a pound.
33
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Whales and dolphins can't taste anything other than salt.
11
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
A giraffe can clean its ears with its 21-inch tongue!
31
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27