Female kangaroos have three vaginas.
2
The octopus does not have a blind spot.
273
The reindeer is the only mammal that can see UV light.
17
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2