The reindeer is the only mammal that can see UV light.
17
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
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10