Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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Cats and dogs can hear ultrasound.
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When you shave a guinea pig it looks like a little hippo.
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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
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