The reindeer is the only mammal that can see UV light.
17
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
When dragonflies mate, their tails form a love heart.
22
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
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82