Banding a Gyrfalcon nestling photo 11 months 0 Gyrfalcon nestlings anticipating being banded photo 11 months 0 Kilbuck Mountain Range photo 11 months 0 Gyrfalcon nestling photo 11 months 0 View during gyrfalcon survey photo 11 months 0 One of gyrfalcon survey sites photo 11 months 0 Kilbuck Mountain Range photo 11 months 0 Gyrfalcon nestlings photo 11 months 0 Kilbuck Mountain Range photo 11 months 0 Banding a Gyrfalcon nestling photo 11 months 0 Kilbuck Mountain Range photo 11 months 0 Muskox viewed during a Gyrfalcon survey photo 11 months 0 Banded Gyrfalcon nestling photo 11 months 0 Gyrfalcon habitat photo 11 months 0 Gyrfalcon nestlings in nest photo 11 months 0 Kilbuck Mountain Range photo 11 months 0 Gyrfalcon nestlings photo 11 months 0