Jellyfish as a species are actually older than dinosaurs and sharks.
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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Moths are unable to fly during an earthquake.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
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
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
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