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
A domestic cat can sprint at about 31 miles per hour.
274
The colossal squid has the largest eyes in the world.
4
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12