Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A puppy is born blind, deaf, and toothless.
16
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8