Gyrfalcon (Falco rusticolus) Science Article 3 abstract Gyrfalcon predation on ptarmigan during the breeding season was studied innorth-east Iceland 1981
Tag: Gyrfalcon
Diving speeds and angles of a gyrfalcon (Falco rusticolus)
Gyrfalcon (Falco rusticolus) Science Article 1 abstract An optical tracking device recorded the threedimensional paths of 11 dives by a 1.02 kg gyrfalcon, trained to dive to a falconer. The dives started at altitudes up to 500 m above the ground and were inclined at angles of 17-62 deg from the horizontal. The falcon controlled […]
Southern Extension to the Breeding Range of the Gyrfalcon,Falco rusticolus, in Eastern North America
Gyrfalcon (Falco rusticolus) Science Article 2 abstract We report the observation of four gyrfalcon (Falco rusticolus) nests and several adults south of the previouslyrecognized southern limit of the species’ breeding distribution in eastern North America. Our southernmost observation extendsthe known breeding range approximately 400 km to the south. The northern forest tundra biome could delineate […]
Gyrfalcon (Falco rusticolus)
[order] FALCONIFORMES | [family] Falconidae | [latin] Falco rusticolus | [authority] Linnaeus, 1758 | [UK] Gyrfalcon | [FR] Faucon gerfaut | [DE] Gerfalke | [ES] Halcon Gerifalte | [NL] Giervalk Subspecies Genus Species subspecies Region Range Falco rusticolus NA, EU n Genus Members of the genus falco are mostly medium-sized falcons, but vary from the […]