The male seahorse carries babies and 'gives birth' to them instead of the female.
7
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Mosquitoes don't just bite you, they also pee on you.
11
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
The seahorse is the only fish to have a neck.
12
The reindeer is the only mammal that can see UV light.
17