Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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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
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2