Condoms were originally made of animal intestines or linen.
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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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
A cat can jump FIVE TIMES as high as it is tall!
371
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The reindeer is the only mammal that can see UV light.
17
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24