The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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
Jellyfish as a species are actually older than dinosaurs and sharks.
383