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
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Dogs sometimes fake being sick to get attention.
26
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
A group of unicorns is called a blessing.
304