Jellyfish as a species are actually older than dinosaurs and sharks.
383
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9