Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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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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Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
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When you shave a guinea pig it looks like a little hippo.
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Cats and dogs can hear ultrasound.
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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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Cats recognise the voice of their owner, but never evolved to care.
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