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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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
Cats and dogs can hear ultrasound.
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