A scorpion can hold its breath for up to 6 days.
19
The cat brain weighs about 30g.
167
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
When dragonflies mate, their tails form a love heart.
22
There's a rare breed of pig that looks like a sheep.
14