Sled dogs have stubby legs for a reason

More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Sled dogs pull sleds for recreation and work. Sled dogs have been helping humans travel across the planet's coldest regions for centuries, hauling supplies, people, and equipment across the snow and ice. In the process, this important role that goes above and beyond simply being "man's best friend" could have a visible impact on their evolution. Sled dogs may have evolved shorter legs to help them pull loads more efficiently.