of short wool-like fur, the outer layer of longer, coarser, water-repellent fur. The Greenland Dog comes in all colors, from black to fawn (excluding albino dogs and merle patterning). Blue eyes and heterochromia are not permitted, and are considered disqualifications based on standard. A characteristic of most Greenland Dogs is the "úlo", a triangular shaped area on the shoulders. It is named after a common woman's-knife from Greenland which is of the same shape. Males are significantly larger than females at 60cm (23.6in) and up at the withers; females are 55cm (21.7in) and up. Stamina As is common among sled dogs, Greenland Dogs are able to traverse very difficult terrain with ease and with a high tempo. As working dogs they are especially valued for their physical strength and endurance, with a tireless and bold mentality. See also Dogs portal List of dog breeds Chukotka Sled-Dog Canadian Eskimo Dog Alaskan Malamute Samoyed References External links National Geographic gallery of the breed in Greenland Dog breeds originating in Greenland FCI breeds Rare dog breeds Sled dogs Spitz breeds