The common goldfish is the only animal that can see both infra-red and ultra-violet light.
The fingerprints of koala bears are virtually indistinguishable from those of humans, so much so that they could be confused by CSI Miami.
The underside of a horse's hoof is called a frog.
Dogs and humans are the only animals with prostates.
A duck's quack doesn't echo.
The cheetah is the only cat in the world that can't retract it's claws.
Camels have three eyelids, something to do with sand storms.
Cows canít walk downstairs because of their knees.
Antarctica doesnít have reptiles, but then again it doesnít have McDonalds either.
When opossums are playing opossum, they are not "playing." They actually pass out from sheer terror. I didnít know you spelt possum opossum, are they the same thing?
I didnít know you spelt ardvark, aardvark.
A full grown bear can run as fast as a horse.
The closest relative to the manatee is the elephant. Africa is hot.
A female ferret will die if it goes into heat and cannot find a mate. Whore.
Cats can hear ultrasound.
Dolphins are the only other animals besides humans that get pleasure out of sex. They are also the only other animals that have sex for reasons other than reproduction.
Cat's urine glows under a black light.
Elephants have been found swimming miles from shore in the Indian Ocean.
Human birth control pills work on gorillas.