Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
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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The elephant brain weighs about 6,000g.
274
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Moths are unable to fly during an earthquake.
328
In Australia, there are spiders big enough to eat snakes.
20
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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