Traversing a boreal forest landscape: Summer movements of Tule Greater White-fronted Geese - Ely, Craig; Bollinger, K.S.; Hupp, Jerry; Derksen, D.V.; Terenzi, J.; Takekawa, John; Orthmeyer, D.L.; Rothe, T.C.; Petrula, M.J.; Yparraguirre, D.R. (Waterbirds, 2006)