Penguins have a gland above their eye that turns saltwater into freshwater.
12
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Crocodiles swallow stones to help them dive deeper.
55
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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Lobsters have blue blood.
476
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1