There are over 58 million dogs in the U.S!
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A polar bear's skin is black. Its fur is not white, but actually clear.
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An eagle can attack, kill, and carry away an animal as large as a small deer.
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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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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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All clams start out as males; some decide to become females at some point in their lives.
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