http://www.pbs.org/wnet/nature/sled-dogs-an-alaskan-epic-introduction/3146/http://www.enchantedlearning.com/usa/states/alaska/iditarod/http://news.nationalgeographic.com/news/2014/03/140308-iditarod-dogs-sled-r...http://www.canidae.com/blog/2010/02/which-breeds-make-best-sled-dogs.htmlOnly northern breed dogs are allowed like, Alaskan Malamute, Siberian Husky and the Eskimo Dog.
The are looking for dogs with an instinctive desire to pull long and hard through the toughest conditions.
Sled dogs can easily consume up to 10,000 calories per day.
While they’re tough, huskies can have sensitive
feet.To safeguard them, mushers tie on polar-fleece booties that keep paws warm and protected. In the Iditarod, a single musher will use about 2,000 booties. Each usually lasts several hours and up to 100 miles.
They can run up to around 20 mph, but not up hill must be on flat ground
Moose are a threat for dogsled teams, because the large animals can charge the sled and injure the dogs.