Sled dog It has been billed as the "World Series of mushing events" and "The Last Great Race on Earth". The first Arctic explorers were men with sled dogs. Due to the success of using sled dogs in the Arctic, it was thought they would be helpful in the Antarctic exploration as well, and many explorers made attempts to use them. Sled dogs were used until 1992, when they were banned from Antarctica by the Protocol on Environmental Protection to the Antarctic Treaty. Carsten Borchgrevink used sled dogs in Antarctica in 1898, but it was much colder than expected at Cape Adare.
Sled dog polar bears. The Chinook is a drafting and sled dog developed in New Hampshire in the early 1900s, and is a blend of Mastiff, Greenland Husky, German Shepherd, and Belgian Shepherd. It is the state dog of New Hampshire and was recognized by the AKC as a Working breed in 2013. They are described as athletic and "hard bodied" with a "tireless gait". Eskimo dogs that originated in Greenland, Greenland Dogs are heavy dogs with high endurance but little speed. They are frequently used by people offering dog sled adventures and long expeditions. There are more than 30,000 Greenland Dogs