​Zoo Clues Wallpaper 

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How much do you really know about animals? On Zoo Clues we tackle the animal kingdom's most mind-blowing questions: 

Can birds fly backwards? Could a whale really swallow a person? How do animals with no external ears hear? Do dogs sweat? What animal is used for bone grafts? Why do zebras have stripes and leopards spots? Are bats birds? Are whales fish? Are insects animals? 

Each episode tackles a dozen or more amazing animal questions. Our investigation of the answers takes viewers on a fast-paced and entertaining tour of the entire animal kingdom!