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
The head of a jellyfish is called the "Bell."
6
Only 3% of bird species have penises.
0
A dork is a whale's penis.
327
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9