Dogs sometimes fake being sick to get attention.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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There's a rare breed of pig that looks like a sheep.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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The cat brain weighs about 30g.
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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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