"Coccygus americanus. Yellow-billed Cuckoo. Bill black, extensively yellow below and on the sides of…
"Picus major. European Spotted Woodpecker. Bill more or less nearly equal to head in length, stout,…
"Campephilus principalis. Ivory-billed Woodpecker. Glossy blue-black; a stripe down side of neck, one…
"Picus borealis. Red-Cockaded Woodpecker. Body spotted and crosswise banded, but not streaked. Head…
"Picus pubescens. Downy Woodpecker. Usually 6-7 long; outer tail-feathers barred with black and white.…
"Picoïdes. Three-toed Woodpeckers. Three-toed: the hallux (1st toe) absent, the 4th toe reversed…
"Sphyropicus varius. Yellow-bellied Woodpecker. Male: Crown crimson, bordered all around with black;…
"Sphyropicus thyroides. Brown-headed Woodpecker. Black-breasted Woodpecker. Red-throated Woodpecker.…
"Centurus carolinus. Red-bellied Woodpecker. Whole crown and nape scarlet in the male; nape only so…
"Melanerpes erythrocephalus. Red-headed Woodpecker. Tricolor. Adult: Beautifully tricolor with "the…
"Melanerpes formicivorus bairdi. Californian Woodpecker. Glossy blue-black; rump, bases of all the quills,…
"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.…
"Conuropsis carolinensis. Carolina Parroquet. Green; head yellow; face red; bill white; feet flesh-color;…
"Conuropsis carolinensis. Carolina Parroquet. Green; head yellow; face red; bill white; feet flesh-color;…
"Bubo virginianus. Great Horned Owl. Hoot Owl. Cat Owl. Distinguished by its large size and conspicuous…
"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…
"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…
"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 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…
"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…
"Catharista atrata. Black Vulture. Carrion Crow. Adult: Entire plumage, including skin of head, and…
"Ectopistes migratorius. Passenger Pigeon. Wild Pigeon Adult: Upper parts, including head all around,…
"Pediaecetes phasianellus Columbianus. Common Sharp-tailed Grouse. Upper parts closely and pretty evenly…
"Lagopus albus. Willow Grouse. Willow Ptarmigan. Bill very stout and convex, its depth at base as the…
"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…
"Ortyx virginiana. Virginia Partridge or "Quail". Bobwhite. Male: Forehead, superciliary line, and throat,…
"Ortyx virginiana. Virginia Partridge or "Quail". Bobwhite. Male: Forehead, superciliary line, and throat,…
"Orortyx picta. Plumed Partridge. Mountain Quail. Back, wings and tail olive-brown, the inner secondaries…
"Lophortyx gambeli. Gambel's Partridge. Arizona Quail. Male: Without white loral line; forehead black…
"Lophortyx californica. Californian Partridge. Valley Quail. Male: With a small white line from bill…
"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…
"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. Oyster-catcher. Bill peculiar - longer than tarsus, twice as long as head, constricted…
"Strepsilas interpres. Turnstone. Brant Bird. Calico-back. Pied above with black, white, brown, and…
"Another small family, characterized by the extreme length of the slender legs, and the extreme slenderness…
"Himantopus. Stilts. Bill extremely slender, but not flattened, nor turned up, nor hooked; longer than…
"Stilt. Long-shanks. Lawyer. Adult. Mantle, constituted by the interscapulars, scapulars, and wings…