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• Birds

  Why are eggs egg-shaped? Are penguins clumsy? Do all penguins live in cold climates?

• Bug World

  Roach World Worm World Parasite Place Bee World Spider World

• Fish

  Do jellyfish really sting? Can fish breathe underwater? Are jellyfish really fish?

• Mammals

  Are humans considered animals? Are polar bears the largest bear? Are orangutans the largest great ape? Why do squirrels have bushy tails? Polar Bears More Mammals >

• Pets

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• Sharks

  Shark Attacks!