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List of birds of Rocky Mountain National Park
  Rocky Mountain National Park Location of Rocky Mountain National Park in the United States .  This is a comprehensive listing of the bird species recorded in Rocky Mountain National Park, a 265,461 acres (107,428 ha) park in the U.S. state of Colorado. This list is based on one published by the National Park Service (NPS).[1] This list is presented in the taxonomic sequence of the Check-list of North and Middle American Birds, 7th edition through the 65th Supplement, published by the American Ornithological Society (AOS).[2] 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. This list contains 265 species and eight identifiable subspecies or forms when taxonomic changes have been made. Unless otherwise noted, all are considered to occur regularly in Rocky Mountain National Park as permanent residents, summer or winter visitors, or migrants. The tags below are used to designate the abundance of some less-common species.
Ducks, geese, and waterfowlOrder: Anseriformes Family: Anatidae  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 quailOrder: 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 alliesOrder: Galliformes Family: Phasianidae  Phasianidae consists of the pheasants and their allies. These are terrestrial species, variable in size but generally plump with broad relatively short wings. Many species are gamebirds or have been domesticated as a food source for humans.
GrebesOrder: 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 dovesOrder: Columbiformes Family: Columbidae Pigeons and doves are stout-bodied birds with short necks and short slender bills with a fleshy cere. They feed on seeds, fruit, and plants. Unlike most other birds, the doves and pigeons produce "crop milk", which is secreted by a sloughing of fluid-filled cells from the lining of the crop. Both sexes produce this highly nutritious substance to feed to the young.
CuckoosOrder: 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.
Nightjars and alliesOrder: Caprimulgiformes Family: Caprimulgidae Nightjars 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 colored to resemble bark or leaves.
SwiftsOrder: 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 long swept-back wings which resemble a crescent or boomerang.
HummingbirdsOrder: 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 cootsOrder: 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 to be weak fliers.
CranesOrder: 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 avocetsOrder: 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 lapwingsOrder: 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 alliesOrder: 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 jaegersOrder: 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.
Gulls, terns, and skimmersOrder: Charadriiformes Family: Laridae Laridae is a family of medium to large seabirds and includes gulls, terns, and skimmers. Gulls are typically gray or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet. Terns are a group of generally medium to large seabirds typically with grey or white plumage, often with black markings on the head. Most terns hunt fish by diving but some pick insects off the surface of fresh water. Terns are generally long-lived birds, with several species known to live in excess of 30 years.
LoonsOrder: 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.
PelicansOrder: Pelecaniformes Family: Pelecanidae Pelicans are very large water birds with a distinctive pouch under their beak. Their feet have four webbed toes.
Herons, egrets, and bitternsOrder: 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 spoonbillsOrder: 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 vulturesOrder: 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.
OspreyOrder: 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 kitesOrder: 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.
OwlsOrder: Strigiformes Family: Strigidae  Typical or "true" 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.
KingfishersOrder: Coraciiformes Family: Alcedinidae Kingfishers are medium-sized birds with large heads, long, pointed bills, short legs, and stubby tails.
WoodpeckersOrder: Piciformes Family: Picidae .jpg) 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 caracarasOrder: Falconiformes Family: Falconidae _(cropped).jpg) 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 flycatchersOrder: 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.
Vireos, shrike-babblers, and erpornisOrder: Passeriformes Family: Vireonidae _(7222930710)_(cropped).jpg) The vireos are a group of small to medium-sized passerine birds restricted to the New World, though a few other species in the family are found in Asia. They are typically greenish in color and resemble wood-warblers apart from their heavier bills.
ShrikesOrder: 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.
Crows, jays, and magpiesOrder: 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.
Tits, chickadees, and titmiceOrder: 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.
LarksOrder: Passeriformes Family: Alaudidae .jpg) 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.
SwallowsOrder: 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.
Long-tailed titsOrder: Passeriformes Family: Aegithalidae The long-tailed tits are a family of small passerine birds with medium to long tails. They make woven bag nests in trees. Most eat a mixed diet which includes insects.
KingletsOrder: Passeriformes Family: Regulidae  The kinglets and "crests" are a small family of birds which resemble some warblers. They are very small insectivorous birds, mostly in the genus Regulus. The adults have colored crowns, giving rise to their name.
WaxwingsOrder: 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.
NuthatchesOrder: 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.
TreecreepersOrder: 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.
GnatcatchersOrder: 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.
WrensOrder: 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.
Mockingbirds and thrashersOrder: 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.
StarlingsOrder: Passeriformes Family: Sturnidae Starlings and mynas are small to medium-sized Old World passerine birds with strong feet. Their flight is strong and direct and most are very gregarious. Their preferred habitat is fairly open country, and they eat insects and fruit. The plumage of several species is dark with a metallic sheen.
DippersOrder: 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.
Thrushes and alliesOrder: 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.
Old world sparrowsOrder: 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 pipitsOrder: 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 alliesOrder: Passeriformes Family: Fringillidae 
Longspurs and snow buntingsOrder: 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 sparrowsOrder: 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 chatOrder: 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 alliesOrder: 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 which is often enlivened by yellow, orange, or red.
New World warblersOrder: 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 are more terrestrial. Most members of this family are insectivores.
Cardinals and allies.jpg) 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.
References
See also
External links
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