Conference Paper
Pokrovsky, I. G.; Lecomte, N.: Comparison of Gyrfalcon distributions between the Palearctic and Nearctic. In: Gyrfalcons and Ptarmigan in a Changing World. Gyrfalcons and Ptarmigan in a Changing World, Boise, Idaho, USA, February 01, 2011 - February 03, 2011. The Peregrine Fund (2012)