The Basenji dog is the only dog that is not able to bark.
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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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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When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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There's a rare breed of pig that looks like a sheep.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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