Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Sheep, goats, octopuses, and toads have rectangular pupils.
7
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
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
A 42-foot sperm whale has about 7 tons of oil in it.
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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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