The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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Only 3% of bird species have penises.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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A giraffe's kick is so powerful that it can decapitate a lion.
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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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