The ancestor of all domestic cats is the African Wild Cat which still exists today.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Squirrels forget where they hide about half of their nuts.
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There's a rare breed of pig that looks like a sheep.
14
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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