A group of unicorns is called a blessing.
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Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Dolphins have names for one another.
18
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
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
The elephant brain weighs about 6,000g.
274