When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Only 3% of bird species have penises.
0
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Cats sleep for 70% of their lives.
8