Mosquitoes don't just bite you, they also pee on you.
11
Dolphins have names for one another.
18
The cat brain weighs about 30g.
167
Lobsters have blue blood.
476
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
A scorpion can hold its breath for up to 6 days.
19