Waterfowl Research at the Refuge: Spring Migration

By Michael Guttery and Tasha DiMarzio, Alaska Department of Fish and Game Waterfowl Program Over the last few months, the Alaska Department of Fish and Game (ADF&G) Statewide Waterfowl Program staff have been developing a research project focusing on white-cheeked geese. According to the National Audubon Society, the white-cheeked geese of North America were long considered a variable species of Canada Geese. It was not until 2004 that four of the smallest forms (Richardson’s, Aleutian, Taverner’s, and Minima) were recognized as their own distinct species known as Cackling Geese. The seven species of Canada Geese are the Atlantic, Interior, Giant, Moffitt’s, Dusky, Vancouver, and Lesser. In this research project, ADF&G is focusing on Lesser Canada Geese (Branta canadensis parvipes) and Taverner’s Cackling Geese (B. hutchinsii taverneri). These two species of geese are common in Alaska, though relatively little is known about them. In the late 1990’s, a University of Alaska Fairbanks graduate student, Dr. Michael Eichholz, conducted research aimed at mapping …