"Asyndesmus torquatus. Lewis' Woodpecker. Lared Woodpecker. Adult: Upper parts, including wings and…
"Asyndesmus torquatus. Lewis' Woodpecker. Lared Woodpecker. Adult: Upper parts, including wings and…
"Colaptes auratus. Golden-winged Woodpecker. Pigeon Woodpecker. Flicker. Yucker. High-holder. Back and…
"Sphyropicus thyroides. Brown-headed Woodpecker. Black-breasted Woodpecker. Red-throated Woodpecker.…
"Scops. Little Horned Owls. Screech Owls. Like the miniature Bubo in form (all our species under a foot…
"Aluco flammeus pratincola. Barn Owl. above, including upper surfaces of wings and tail, tawny, fulvous,…
"Bubo virginianus. Great Horned Owl. Hoot Owl. Cat Owl. Distinguished by its large size and conspicuous…
Scops. Little Horned Owls. Screech Owls. Like the miniature Bubo in form (all our species under a foot…
"Asio accipitrinus. Short-eared Owl. Marsh Owl. Ear-tufts inconspicuous, much shorter than middle toe…
"Strix nebulosa. Barred Owl. Hoot Owl. American Wood Owl. Toes fully feathered, nearly or quite to the…
"Nyctea scandiaca. Snowy Owl. Pure white, spotted and barred with brownish-black markings, wholly indeterminate…
"Surnia funerea. American Hawk Owl. Day Owl. Bill and eyes yellow; claws brownish-black. Upper parts…
"Nyctala - Saw-whet Owls. Skull and ear-parts highly unsymmetrical, the the latter of great size, and…
"Aluco flammeus pratincola. Barn Owl. above, including upper surfaces of wings and tail, tawny, fulvous,…
"Speotyto cunicularia hypogae'a. Burrowing Owl. Adult: Above, dull grayish-brown, profusely spotted…
"Circus cyaneus hudsonius. American Marsh Hawk, Harrier. Blue hawk. Adult Male: In perfect plumage pale…
"Circinae. Harriers. Face surrounded with an incomplete ruff (as in most owls); orifice of ear about…
"Elanoides forficatus. Swallow-tailed Kite. Adult: Head, neck, band on rump, and entire under parts,…
Two Swallow-tail and One Mississippi Kite. "Ictinia subcaerulea. Mississippi Kite. General plumage plumbeous…
"Accipiter fuscus. Sharp-shinned Hawk. "Pigeon" Hawk. Above, dark plumbeous, slate-color, or bluish-gray,…
"Accipiter fuscus. Sharp-shinned Hawk. "Pigeon" Hawk. Above, dark plumbeous, slate-color, or bluish-gray,…
"Astur atricapillus. American Goshawk. Blue Hen Hawk (adult). Chicken Hawk (young). Adult: Above, dark…
"Falco mexicanus. American Lanner Falcon. Prairie Flacon. A medium-sized species, distinguished from…
"Falco mexicanus. American Lanner Falcon. Prairie Flacon. A medium-sized species, distinguished from…
"Falcons. Bill furnished with a sharp tooth and notch near the end of the cutting edge of the upper…
"Falco peregrinus. Peregrine Falcon. Duck Hawk. Great-footed Hawk. A medium-sized falcon, about as large…
"Falco peregrinus. Peregrine Falcon. Duck Hawk. Great-footed Hawk. A medium-sized falcon, about as large…
Falco tinnunculus. Common Kestral. This bird is a European bird of prey. Plumage on upperside, chestnut-brown…
"Falco sparverius. Rusty-crowned Falcon. Sparrow Hawk. Adults: Crown ashy-blue, with a chestnut patch,…
"Polyborus auduboni. Common Caracara. General color blackish, the throat, neck all around, and more…
"Buteo borealis. Red-tailed Buzzard. "Hen Hawk". Upper surface of tail rich chestnut, with white tip…
"Archibuteo lagopus sancti-johannis. American Rough-legged Buzzard. "Black Hawk" Adult: Too variable…
"Haliaetus leucocephalus. White-headed Sea Eagle. "Bald Eagle." "Bird of Washington". Adult: Dark brown;…
An Osprey catching a fish. "Pandion haliaetus. Fish Hawk. Osprey. Adult. dark vandyke- brown, blackening…
"Pseudogryphus californianus. California Condor. Adult: Blackish, the feathers with browner tips or…
"Cathartes aura. Turkey Buzzard. Blackih-brown, grayer on the wing-coverts; quills black, ashy-gray…
"Ectopistes migratorius. Passenger Pigeon. Wild Pigeon Adult: Upper parts, including head all around,…
"Meleagris gallipavo. Turkey. Upper tail-coverts chestnut, with paler or whitish tips; tail-feathers…
"Canace canadensis. Canada Grouse. Spotted Grouse. Spruce Grouse. Spruce "Partridge." Adult: Head smooth,…
"Pediaecetes phasianellus Columbianus. Common Sharp-tailed Grouse. Upper parts closely and pretty evenly…
"Details of Engyptila albifrons (White-fronted Dove); head and foot natural size; wing and tail reduced.
"Cupidonia cupido. Pinnated Grouse. Prairie Hen. Above, variegated with black, brown, tawny, or ochrey,…
"Bonasa umbella. Ruffed Grouse. "Partridge;" "Pheasant;" Above, variegate reddish- or grayish-brown,…
"Lagopus albus. Willow Grouse. Willow Ptarmigan. Bill very stout and convex, its depth at base as the…
"Lagopus leucurus. White-tailed Ptarmigan. Rocky Mountain Snow Grouse. Male and Female in winter: Entirely…
"Coturnix. Bill smaller and much slenderer than that of any of the foregoing genera of Odontophorinae;…
"Ortyx. Quail. Outstretched feet reaching beyond end of tail. Bill black or blackish-brown. " Elliot…
"Bonasa umbella. Ruffed Grouse. "Partridge;" "Pheasant;" Above, variegate reddish- or grayish-brown,…
"Orortyx picta. Plumed Partridge. Mountain Quail. Back, wings and tail olive-brown, the inner secondaries…
"Coturnix dactylisonans. Messina Quail. Migratory Quail. Common Quail of Europe. Upper parts variegated…
"Squatarola helvetica. Swiss Plover. Black-bellied Plover. Bull-head Plover. Whistling Field Plover.…
"Squatarola. Four-toed Plover. A small but distinct hind toe, contrary to the rule in this family. Tail…
English Pheasant. Common Pheasant. Phasianus colchicus. Adult plumage: Maroon breast, orangey flanks,…
"Lagapus. The densely-feathered feet resemble those of rabbits. No particular feathers on head or neck.…
"The glareoles (Glareolidae) are a remarkable Old World form, like long-legged swallows, wth a cuckoo's…
"Charadrius dominicus. American Golden Plover. Field Plover. Bull-head Plover. Upper parts black, everywhere…
"Aegialites vociferus. Kildeer Plover. Above, grayish-brown, with an olive shade, and in high plumage…
"Haematopus ostrilegus. European Oyster-catcher. (oyster-opener would b a better name, as oysters do…
"Strepsilas interpres. Turnstone. Brant Bird. Calico-back. Pied above with black, white, brown, and…
"Recurvirostra. Avocets. Bell slender, more or less recurved, then the upper mandible hooked at the…