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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A 42-foot sperm whale has about 7 tons of oil in it.
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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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Parrot parents "name" their children with a signature call.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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