Sled dog the decline of the working sled dog. Recreational mushing came into place to maintain the tradition of dog mushing. The desire for larger, stronger, load-pulling dogs changed to one for faster dogs with high endurance used in racing, which caused the dogs to become lighter than they were historically. Americans then began to import Siberian Huskies to increase the speed of their own dogs, presenting "a direct contrast to the idea that Russian traders sought heavier draft-type sled dogs from the Interior regions of Alaska and the Yukon less than a century earlier to increase the hauling capacity of their
Sirius Dog Sled Patrol is far greater, around 16,000 km. The Greenland ice sheet is not a part of the patrolled area. The unit is stationed at Daneborg (), and maintains personnel at Station Nord, Danmarkshavn, and Mestersvig. The unit uses more than 50 depot huts scattered across the patrolled area. The depot huts are resupplied by small boats in the southern area, and by aircraft in the northern part. The Sirius Patrol consists of six dog sled teams for the duration of the year, each consisting of two men, and 11 to 15 dogs. When traveling, each team carries approximately 350–500 kg, depending