Only 3% of bird species have penises.
0
Lobsters have blue blood.
476
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
In Australia, there are spiders big enough to eat snakes.
20
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492