gerfalcon Definition

falco rusticolus, gyrfalcon, duck hawk, bird, emu wren, birdlet, ortygan, shore bird, old world vulture, taxonomic group, fish eagle, dikkop, eskimo curlew, hairbird, falcon, peristeropodous, elephant bird, black vulture, falconine, apterium, cassican, common snipe, gonys, anhima, oilbird, gonydial, new world vulture, predatory animal, uropygium, bird of passage, grey heron, birdling, canadian goose, gallinaceous bird, birdcatching, frigate bird, heroner, pigeon hawk, peregrine falcon, golden oriole, plain wanderer, seriema, caprimulgiform bird, gallinacean, ocellated turkey, cuculiform bird, night bird, reedbird, wrybill, apodiform bird, pteryla, weaverbird, night raven, kamichi, prairie wolf, birdwoman, white stork, european wildcat, tercelet, willow grouse, aquatic bird, hammerkop, buzzardet, little owl, paguma, sungrebe, pelecaniform seabird, cardinal grosbeak, uropygial gland, meropidan, quadratojugal, opinicus, viverrine, sarcophagan, ossifrage, great tit, riflebird, turkey vulture, kirumbo, linsang, musk duck, deer mouse, desmognathous, dunbird, brush kangaroo, american kestrel, ant lion, domestic pigeon, human botfly, bird strike, bird table, old world flycatcher, pterylography, piciform bird, raptor, columbiform bird, sheartail, wood pigeon, hangbird, entermewer,