First Aired: June 29th, 2008
Status: Ended
Network: National Geographic
Summary: Discover three species of animal that have evolved into some of the world’s smartest animals. How do dogs know when their owners are coming home? Are pigeons faster than cheetahs? And can a pig really grow to ‘Hogzilla’ proportions? Find out the answers to these questions and more.
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# of Episodes: 4
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