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
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
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
When dragonflies mate, their tails form a love heart.
22