"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;…
"Birds of Prey" are birds who hunt for their food (other animals or meat) in flight. When they find…
"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,…
An adult owl being mobbed by a group of smaller birds. Mobbing occurs when smaller birds, in fear, will…
"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…
"Speotyto. Burrowing Owls. tarsi long, about twice as long as the middle toe without its claw, very…
"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…
The Villa Farnese, also known as Palazzo Farnese or Villa Caprarola, is a mansion in the town of Caprarola…
"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,…
"Ideal plan of the double-ringed body of a vertebrate. N, neural canal; H, haemal canal; the body separating…
"Fig 55. - Actual section of the body in the thoracic region of a bird. N, neural canal; H, haemal canal;…
"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 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…
"The letter C marks the point where the vessel to be exhausted is attached." -Century, 1889The Merlin…
"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,…
"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…
Columba palumbus. European Ring Dove. Wood Pigeon. Plumage is gray with a pinkish-purplish breast and…
"Starnaenas cyanocephala. Blue-headed Quail Dove. Crown rich blue bounded by black; a white stripe under…
The Heidelberg Castle (in German language named: Heidelberger Schloss) is a famous ruin in Germany and…
"Cupidonia cupido. Pinnated Grouse. Prairie Hen. Above, variegated with black, brown, tawny, or ochrey,…
"Cupidonia. Tarsi scant-feathered to the toes in front and on sides, bare on a strip behind; toes extensively…
"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 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…