Only 3% of bird species have penises.
0
Cats recognise the voice of their owner, but never evolved to care.
22
The colossal squid has the largest eyes in the world.
4
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Sharks have been on the planet longer than trees.
14
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17