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
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Tigers can see 6 times better at night than humans.
305
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Sharks have been on the planet longer than trees.
14
The Basenji dog is the only dog that is not able to bark.
4