A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Parrot parents "name" their children with a signature call.
112
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The colossal squid has the largest eyes in the world.
4