In this Nature video, we learn how the Inuits ofthe Arctic Circle rely on their dogs. Existing on a diet ofsnow and seal blubber (fat), these dogs pull the sleds of the Inuits andprotect them from wild animals. Multiple dogs pull together to maintain thestability of the sled. Sled dogs sometimes run the equivalent of five marathons(5 x 26.2 miles = 131 miles) per day. They will be the first to fall throughthe ice if there is a crack, but they recover from the cold plunge quickly. Thedogs have evolved to master the harsh environment.
Learn more about the Nature film "Dogs That Changed the World."
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