There are six species of Sandhill Cranes in North America, with three migratory and three non-migratory subspecies. Sandhill subspecies found in the mid-continent population, which we see at Kaska, are Lesser, Greater and Canadian. The Canadian subspecies is a mid-sized hybrid of Lesser and Greater Sandhills.
Lesser Sandhill Cranes are the smallest, weighing on average about 6-7 pounds and standing 3 – 3.5 feet tall. At the other end, greater Sandhill cranes are the largest sub-species and average 4.5 – 5 feet tall and 10 -14 pounds.