There's a rare breed of pig that looks like a sheep.
14
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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