List of birds of Colorado

In the U.S. state of Colorado 511 species of birds have been documented as of July 2020 according to the Colorado Bird Records Committee (CBRC) of Colorado Field Ornithologists.[1] One additional species has been added from eBird as a result of the 2020 taxonomic revisions to the Check-list of North and Middle American Birds.[2][3]

The lark bunting is the state bird of Colorado. Top: male; bottom: female.

This list is presented in the taxonomic sequence of the Check-list of North and Middle American Birds, 7th edition through the 61st Supplement, published by the American Ornithological Society (AOS).[4] Common and scientific names are also those of the Check-list, except that the common names of families are from the Clements taxonomy because the AOS list does not include them.

Six of the documented birds are introduced species that are not native to North America, but were brought to this continent by humans. They are marked on this list as (I). Birds that are considered probable escapees, although they may have been sighted flying free in Colorado, are not included.

Ducks, geese, and waterfowl
Canada goose
Female mallard in flight.
Pair of green-winged teals, male at rear.
Pair of hooded mergansers, male at rear.

Order: Anseriformes   Family: Anatidae

The family Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, bills which are flattened to a greater or lesser extent, and feathers that are excellent at shedding water due to special oils.

New World quail

Order: Galliformes   Family: Odontophoridae

The New World quails are small, plump terrestrial birds only distantly related to the quails of the Old World, but named for their similar appearance and habits.

Pheasants, grouse, and allies
White-tailed ptarmigan

Order: Galliformes   Family: Phasianidae

Phasianidae consists of the pheasants and their allies. These are terrestrial species, variable in size but generally plump with broad and relatively short wings. Many species are gamebirds or have been domesticated as a food source for humans.

Grebes
Western grebe

Order: Podicipediformes   Family: Podicipedidae

Grebes are small to medium-large freshwater diving birds. They have lobed toes and are excellent swimmers and divers. However, they have their feet placed far back on the body, making them quite ungainly on land.

Pigeons and doves
Mourning dove

Order: Columbiformes   Family: Columbidae

Pigeons and doves are stout-bodied birds with short necks and short slender bills with a fleshy cere.

Cuckoos

Order: Cuculiformes   Family: Cuculidae

The family Cuculidae includes cuckoos, roadrunners, and anis. These birds are of variable size with slender bodies, long tails, and strong legs. The Old World cuckoos are brood parasites.

Nightjars and allies

Order: Caprimulgiformes   Family: Caprimulgidae

Nightjars, also called goatsuckers, are medium-sized nocturnal birds that usually nest on the ground. They have long wings, short legs, and very short bills. Most have small feet, of little use for walking, and long pointed wings. Their soft plumage is cryptically coloured to resemble bark or leaves.

Swifts
Chimney swift

Order: Apodiformes   Family: Apodidae

The swifts are small birds which spend the majority of their lives flying. These birds have very short legs and never settle voluntarily on the ground, perching instead only on vertical surfaces. Many swifts have very long, swept-back wings which resemble a crescent or boomerang.

Hummingbirds
Broad-tailed hummingbird

Order: Apodiformes   Family: Trochilidae

Hummingbirds are small birds capable of hovering in mid-air due to the rapid flapping of their wings. They are the only birds that can fly backwards.

Rails, gallinules, and coots
American coot

Order: Gruiformes   Family: Rallidae

Rallidae is a large family of small to medium-sized birds which includes the rails, crakes, coots, and gallinules. The most typical family members occupy dense vegetation in damp environments near lakes, swamps, or rivers. In general they are shy and secretive birds, making them difficult to observe. Most species have strong legs and long toes which are well adapted to soft uneven surfaces. They tend to have short, rounded wings and tend to be weak fliers.

Cranes
Sandhill cranes

Order: Gruiformes   Family: Gruidae

Cranes are large, long-legged, and long-necked birds. Unlike the similar-looking but unrelated herons, cranes fly with necks outstretched, not pulled back. Most have elaborate and noisy courting displays or "dances".

Stilts and avocets
American avocet

Order: Charadriiformes   Family: Recurvirostridae

Recurvirostridae is a family of large wading birds which includes the avocets and stilts. The avocets have long legs and long up-curved bills. The stilts have extremely long legs and long, thin, straight bills.

Plovers and lapwings
Killdeer

Order: Charadriiformes   Family: Charadriidae

The family Charadriidae includes the plovers, dotterels, and lapwings. They are small to medium-sized birds with compact bodies, short thick necks, and long, usually pointed, wings. They are found in open country worldwide, mostly in habitats near water.

Sandpipers and allies
Wilson's phalarope

Order: Charadriiformes   Family: Scolopacidae

Scolopacidae is a large diverse family of small to medium-sized shorebirds including the sandpipers, curlews, godwits, shanks, tattlers, woodcocks, snipes, dowitchers, and phalaropes. The majority of these species eat small invertebrates picked out of the mud or soil. Different lengths of legs and bills enable multiple species to feed in the same habitat, particularly on the coast, without direct competition for food.

Skuas and jaegers

Order: Charadriiformes   Family: Stercorariidae

Skuas and jaegers are in general medium to large birds, typically with gray or brown plumage, often with white markings on the wings. They have longish bills with hooked tips and webbed feet with sharp claws. They look like large dark gulls, but have a fleshy cere above the upper mandible. They are strong, acrobatic fliers.

Auks, murres, and puffins

Order: Charadriiformes   Family: Alcidae

The family Alcidae includes auks, murres, and puffins. These are short-winged birds that live on the open sea and normally only come ashore for breeding.

Gulls, terns, and skimmers
Ring-billed gull

Order: Charadriiformes   Family: Laridae

Laridae is a family of medium to large seabirds and includes jaegers, skuas, gulls, terns, kittiwakes, and skimmers. They are typically gray or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet.

Loons

Order: Gaviiformes   Family: Gaviidae

Loons are aquatic birds the size of a large duck, to which they are unrelated. Their plumage is largely gray or black, and they have spear-shaped bills. Loons swim well and fly adequately, but are almost hopeless on land, because their legs are placed towards the rear of the body.

Storks

Order: Ciconiiformes   Family: Ciconiidae

Storks are large, heavy, long-legged, long-necked wading birds with long stout bills and wide wingspans. They lack the powder down that other wading birds such as herons, spoonbills, and ibises use to clean off fish slime. Storks lack a pharynx and are mute.

Frigatebirds

Order: Suliformes   Family: Fregatidae

Frigatebirds are large seabirds usually found over tropical oceans. They are large, black, or black-and-white, with long wings and deeply forked tails. The males have colored inflatable throat pouches. They do not swim or walk and cannot take off from a flat surface. Having the largest wingspan-to-body-weight ratio of any bird, they are essentially aerial, able to stay aloft for more than a week.

Boobies and gannets

Order: Suliformes   Family: Sulidae

The sulids comprise the gannets and boobies. Both groups are medium-large coastal seabirds that plunge-dive for fish.

Anhingas

Order: Suliformes   Family: Anhingidae

Anhingas are cormorant-like water birds with very long necks and long, straight beaks. They are fish eaters which often swim with only their neck above the water.

Cormorants and shags

Order: Suliformes   Family: Phalacrocoracidae

Cormorants are medium-to-large aquatic birds, usually with mainly dark plumage and areas of colored skin on the face. The bill is long, thin, and sharply hooked. Their feet are four-toed and webbed.

Pelicans
American white pelican

Order: Pelecaniformes   Family: Pelecanidae

Pelicans are very large water birds with a distinctive pouch under their bills. Like other birds in the order Pelecaniformes, they have four webbed toes.

Herons, egrets, and bitterns
Great blue heron

Order: Pelecaniformes   Family: Ardeidae

The family Ardeidae contains the herons, egrets, and bitterns. Herons and egrets are medium to large wading birds with long necks and legs. Bitterns tend to be shorter necked and more secretive. Members of Ardeidae fly with their necks retracted, unlike other long-necked birds such as storks, ibises, and spoonbills.

Ibises and spoonbills

Order: Pelecaniformes   Family: Threskiornithidae

The family Threskiornithidae includes the ibises and spoonbills. They have long, broad wings. Their bodies tend to be elongated, the neck more so, with rather long legs. The bill is also long, decurved in the case of the ibises, straight and distinctively flattened in the spoonbills.

New World vultures
Turkey vulture

Order: Cathartiformes   Family: Cathartidae

The New World vultures are not closely related to Old World vultures, but superficially resemble them because of convergent evolution. Like the Old World vultures, they are scavengers, however, unlike Old World vultures, which find carcasses by sight, New World vultures have a good sense of smell with which they locate carcasses.

Osprey

Order: Accipitriformes   Family: Pandionidae

Pandionidae is a monotypic family of fish-eating birds of prey. Its single species possesses a very large and powerful hooked beak, strong legs, strong talons, and keen eyesight.

Hawks, eagles, and kites
Red-tailed hawk

Order: Accipitriformes   Family: Accipitridae

Accipitridae is a family of birds of prey which includes hawks, eagles, kites, harriers, and Old World vultures. These birds have very large powerful hooked beaks for tearing flesh from their prey, strong legs, powerful talons, and keen eyesight.

Barn-owls

Order: Strigiformes   Family: Tytonidae

Barn-owls are medium to large owls with large heads and characteristic heart-shaped faces. They have long strong legs with powerful talons.

Owls
Boreal owl

Order: Strigiformes   Family: Strigidae

Typical owls are small to large solitary nocturnal birds of prey. They have large forward-facing eyes and ears, a hawk-like beak, and a conspicuous circle of feathers around each eye called a facial disk.

Kingfishers
Belted kingfisher

Order: Coraciiformes   Family: Alcedinidae

Kingfishers are medium-sized birds with large heads, long pointed bills, short legs, and stubby tails.

Woodpeckers
Red-naped sapsucker

Order: Piciformes   Family: Picidae

Woodpeckers are small to medium-sized birds with chisel-like beaks, short legs, stiff tails, and long tongues used for capturing insects. Some species have feet with two toes pointing forward and two backward, while several species have only three toes. Many woodpeckers have the habit of tapping noisily on tree trunks with their beaks.

Falcons and caracaras
Prairie falcon

Order: Falconiformes   Family: Falconidae

Falconidae is a family of diurnal birds of prey, notably the falcons and caracaras. They differ from hawks, eagles, and kites in that they kill with their beaks instead of their talons.

Tyrant flycatchers
Western kingbird

Order: Passeriformes   Family: Tyrannidae

Tyrant flycatchers are Passerine birds which occur throughout North and South America. They superficially resemble the Old World flycatchers, but are more robust and have stronger bills. They do not have the sophisticated vocal capabilities of the songbirds. Most, but not all, are rather plain. As the name implies, most are insectivorous.

Shrikes
Loggerhead shrike

Order: Passeriformes   Family: Laniidae

Shrikes are passerine birds known for their habit of catching other birds and small animals and impaling the uneaten portions of their bodies on thorns. A shrike's beak is hooked, like that of a typical bird of prey.

Vireos, shrike-babblers, and erpornis

Order: Passeriformes   Family: Vireonidae

The vireos are a group of small to medium-sized passerine birds mostly restricted to the New World, though a few other members of the family are found in Asia. They are typically greenish in color and resemble wood warblers apart from their heavier bills.

Crows, jays, and magpies
Steller's jay

Order: Passeriformes   Family: Corvidae

The family Corvidae includes crows, ravens, jays, choughs, magpies, treepies, nutcrackers, and ground jays. Corvids are above average in size among the Passeriformes, and some of the larger species show high levels of intelligence.

Larks

Order: Passeriformes   Family: Alaudidae

Larks are small terrestrial birds with often extravagant songs and display flights. Most larks are fairly dull in appearance. Their food is insects and seeds.

Swallows
Violet-green swallow

Order: Passeriformes   Family: Hirundinidae

The family Hirundinidae is adapted to aerial feeding. They have a slender streamlined body, long pointed wings and a short bill with a wide gape. The feet are adapted to perching rather than walking, and the front toes are partially joined at the base.

Tits, chickadees, and titmice
Mountain chickadee

Order: Passeriformes   Family: Paridae

The Paridae are mainly small stocky woodland species with short stout bills. Some have crests. They are adaptable birds, with a mixed diet including seeds and insects.

Long-tailed tits

Order: Passeriformes   Family: Aegithalidae

Long-tailed tits are a group of small passerine birds with medium to long tails. They make woven bag nests in trees. Most eat a mixed diet which includes insects.

Nuthatches
White-breasted nuthatch

Order: Passeriformes   Family: Sittidae

Nuthatches are small woodland birds. They have the unusual ability to climb down trees head first, unlike other birds which can only go upwards. Nuthatches have big heads, short tails, and powerful bills and feet.

Treecreepers

Order: Passeriformes   Family: Certhiidae

Treecreepers are small woodland birds, brown above and white below. They have thin pointed down-curved bills, which they use to extricate insects from bark. They have stiff tail feathers, like woodpeckers, which they use to support themselves on vertical trees.

Wrens

Order: Passeriformes   Family: Troglodytidae

Wrens are small and inconspicuous birds, except for their loud songs. They have short wings and thin down-turned bills. Several species often hold their tails upright. All are insectivorous.

Gnatcatchers

Order: Passeriformes   Family: Polioptilidae

These dainty birds resemble Old World warblers in their structure and habits, moving restlessly through the foliage seeking insects. The gnatcatchers are mainly soft bluish gray in color and have the typical insectivore's long sharp bill. Many species have distinctive black head patterns (especially males) and long, regularly cocked, black-and-white tails.

Dippers

Order: Passeriformes   Family: Cinclidae

Dippers are a group of perching birds whose habitat includes aquatic environments in the Americas, Europe, and Asia. They are named for their bobbing or dipping movements. These birds have adaptations which allows them to submerge and walk on the bottom to feed on insect larvae.

Kinglets
Ruby-crowned kinglet

Order: Passeriformes   Family: Regulidae

The kinglets are a small family of birds which resemble the titmice. They are very small insectivorous birds in the genus Regulus. The adults have colored crowns, giving rise to their names.

Thrushes and allies
Mountain bluebird

Order: Passeriformes   Family: Turdidae

The thrushes are a group of passerine birds that occur mainly but not exclusively in the Old World. They are plump, soft plumaged, small to medium-sized insectivores or sometimes omnivores, often feeding on the ground. Many have attractive songs.

Mockingbirds and thrashers
Sage thrasher

Order: Passeriformes   Family: Mimidae

The mimids are a family of passerine birds which includes thrashers, mockingbirds, tremblers, and the New World catbirds. These birds are notable for their vocalization, especially their remarkable ability to mimic a wide variety of birds and other sounds heard outdoors. The species tend towards dull grays and browns in their appearance.

Starlings

Order: Passeriformes   Family: Sturnidae

Starlings are small to medium-sized passerine birds with strong feet. Their flight is strong and direct and they are very gregarious. Their preferred habitat is fairly open country, and they eat insects and fruit. Plumage is typically dark with a metallic sheen.

Waxwings
Cedar waxwing

Order: Passeriformes   Family: Bombycillidae

The waxwings are a group of passerine birds with soft silky plumage and unique red tips to some of the wing feathers. In the Bohemian and cedar waxwings, these tips look like sealing wax and give the group its name. These are arboreal birds of northern forests. They live on insects in summer and berries in winter.

Silky-flycatchers

Order: Passeriformes   Family: Ptiliogonatidae

The silky-flycatchers are a small family of passerine birds which occur mainly in Central America, although the range of this one species extends to central California. They are related to waxwings and like that group, have soft silky plumage, usually gray or pale yellow. They have small crests.

Old World sparrows
House sparrow

Order: Passeriformes   Family: Passeridae

Old World sparrows are small passerine birds. In general, sparrows tend to be small plump brownish or grayish birds with short tails and short powerful beaks. Sparrows are seed eaters, but they also consume small insects.

Wagtails and pipits
American pipit

Order: Passeriformes   Family: Motacillidae

Motacillidae is a family of small passerine birds with medium to long tails. They include the wagtails, longclaws, and pipits. They are slender ground-feeding insectivores of open country.

Finches, euphonias, and allies
Brown-capped rosy-finch

Order: Passeriformes   Family: Fringillidae

Finches are seed-eating passerine birds that are small to moderately large and have a strong beak, usually conical and in some species very large. All have twelve tail feathers and nine primaries. These birds have a bouncing flight with alternating bouts of flapping and gliding on closed wings, and most sing well.

Longspurs and snow buntings

Order: Passeriformes   Family: Calcariidae

The Calcariidae are a group of passerine birds that had been traditionally grouped with the New World sparrows, but differ in a number of respects and are usually found in open grassy areas.

New World sparrows
Spotted towhee

Order: Passeriformes   Family: Passerellidae

Until 2017, these species were considered part of the family Emberizidae. Most of the species are known as sparrows, but these birds are not closely related to the Old World sparrows which are in the family Passeridae. Many of these have distinctive head patterns.

Yellow-breasted chat

Order: Passeriformes   Family: Icteriidae

This species was historically placed in the wood-warblers (Parulidae) but nonetheless most authorities were unsure if it belonged there. It was placed in its own family in 2017.

Troupials and allies
Yellow-headed blackbird

Order: Passeriformes   Family: Icteridae

The icterids are a group of small to medium-sized, often colorful passerine birds restricted to the New World and include the grackles, New World blackbirds, and New World orioles. Most species have black as a predominant plumage color, often enlivened by yellow, orange, or red.

New World warblers
Yellow-rumped warbler

Order: Passeriformes   Family: Parulidae

The wood warblers are a group of small often colorful passerine birds restricted to the New World. Most are arboreal, but some, like the ovenbird and the two waterthrushes, are more terrestrial. Most members of this family are insectivores.

Cardinals and allies
Lazuli bunting

Order: Passeriformes   Family: Cardinalidae

The cardinals are a family of robust, seed-eating birds with strong bills. They are typically associated with open woodland. The sexes usually have distinct plumages.

See also

References
  1. Checklist of the Birds of Colorado http://coloradocountybirding.org/Checklists.aspx retrieved July 2, 2020
  2. R. Terry Chesser, Shawn M. Billerman, Kevin J. Burns, Carla Cicero, Jon L. Dunn, Andrew W. Kratter, Irby J. Lovette, Nicholas A. Mason, Pamela C. Rasmussen, J. V. Remsen, Jr., Douglas F. Stotz, and Kevin Winker. "Sixty-first supplement to the American Ornithological Society’s Check-list of North American Birds". The Auk 2020, vol. 137:1-24 retrieved July 1, 2020
  3. "Mexican Duck species map". Cornell Lab of Ornithology. July 2, 2020. Retrieved July 2, 2020.
  4. "Check-list of North and Middle American Birds". American Ornithological Society. June 30, 2020. Retrieved July 1, 2020.
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