Chatfield reservoir is one of the largest bodies of water along the Front Range open to public recreation. The park offers water enthusiasts the opportunity to enjoy fishing, boating, sailing, water-skiing, and swimming in the 1,500 surface acre reservoir. Nearly 3,900 acres of park land ...more ↓
The prothonotary warbler (Protonotaria citrea) is a small songbird of the New World warbler family. It is the only member of the genus Protonotaria.
The northern waterthrush (Parkesia noveboracensis) is one of the larger New World warblers and one of the Nearctic-Neotropical migratory songbirds. It breeds in the northern part of North America in Canada and the northern United States including Alaska. This bird is migratory, wintering in Central America, the West Indies and Florida, as well as in Venezuela, Colombia, and ...more ↓
The MacGillivray's warbler (Geothlypis tolmiei) is a small species of New World warbler. These birds are sluggish and heavy warblers with short tails, preferring to spend most of their time on, or near the ground, except when singing.
The Common Yellowthroat (Geothlypis trichas) is a New World warbler. They are abundant breeders in North America, ranging from southern Canada to central Mexico.
The orange-crowned warbler (Leiothlypis celata) is a small songbird of the New World warbler family.
The Tennessee warbler (Leiothlypis peregrina) is a New World warbler that breeds in eastern North America and winters in southern Central America and northern South America. The specific peregrina is from Latin peregrinus "wanderer".
The Nashville warbler (Leiothlypis ruficapilla) is a small songbird in the New World warbler family, found in North and Central America. It breeds in parts of the northern and western United States and southern Canada, and migrates to winter in southern California and Texas, Mexico, and the north of Central America. It has a gray head and a green back, and its underparts are ...more ↓
The golden-winged warbler (Vermivora chrysoptera) is a New World warbler. It breeds in southeastern and south-central Canada and the Appalachian Mountains northeastern to north-central United States. The majority (~70%) of the global population breeds in Wisconsin, Minnesota, and Manitoba. Golden-winged warbler populations are slowly expanding northwards, but are generally ...more ↓
The blue-winged warbler (Vermivora cyanoptera) is a fairly common New World warbler, 11.5 cm (4.5 in) long and weighing 8.5 g (0.30 oz). It breeds in eastern North America in southern Ontario and the eastern United States. Its range is extending northwards, where it is replacing the very closely related golden-winged warbler, Vermivora chrysoptera.
The American Bushtit (Psaltriparus minimus) is the only species in the family Aegithalidae found in the New World, and the only member of the genus Psaltriparus.
The Horned Lark (Eremophila alpestris), called the Shore Lark in Europe, is a species of bird in the genus Eremophila.
The Cedar Waxwing (Bombycilla cedrorum) is a member of the family Bombycillidae or waxwing family of passerine birds. It is a medium sized, mostly brown, gray, and yellow bird named for its red wax-like wing tips. It is a native of North and Central America, breeding in open wooded areas in southern Canada and wintering in the southern half of the United States, Central America, ...more ↓
The Bohemian Waxwing (Bombycilla garrulus) is a starling-sized passerine bird that breeds in the northern forests of Eurasia and North America. It has mainly buff-grey plumage, black face markings and a pointed crest. Its wings are patterned with white and bright yellow, and some feather tips have the red waxy appearance that give this species its English name. The three ...more ↓
The brown creeper (Certhia americana), also known as the American treecreeper, is a small songbird, the only North American member of the treecreeper family Certhiidae.
The American Dipper (Cinclus mexicanus), also known as a Water Ouzel, is a stocky dark grey bird with a head sometimes tinged with brown, and white feathers on the eyelids that cause the eyes to flash white as the bird blinks. It is 16.5 cm long and weighs on average 46 g. It has long legs, and bobs its whole body up and down during pauses as it feeds on the bottom of ...more ↓
The California scrub jay (Aphelocoma californica), is a species of scrub jay native to western North America. It ranges from southern British Columbia throughout California west of the Sierra Nevada. The California scrub jay was once lumped with the island scrub jay, and Woodhouse's scrub jay, collectively called the western scrub jay. The group was also lumped with the Florida ...more ↓
Woodhouse's scrub jay (Aphelocoma woodhouseii), is a species of scrub jay native to western North America. It ranges from southeastern Oregon and southern Idaho to central Mexico. It comprises two distinct subspecies groups. They are Woodhouse's scrub jay (interior US and northern Mexico), and Sumichrast's scrub jay (interior southern Mexico). Woodhouse's scrub jay ...more ↓
The American crow (Corvus brachyrhynchos) is a large passerine bird species of the family Corvidae. It is a common bird found throughout much of North America. American crows are the new world counterpart to the carrion crow and the hooded crow. Although the American crow and the hooded crow are very similar in size, structure and behavior, their calls are different. The ...more ↓
The common raven (Corvus corax), also known as the northern raven, is a large all-black passerine bird. Found across the Northern Hemisphere, it is the most widely distributed of all corvids. There are at least eight subspecies with little variation in appearance, although recent research has demonstrated significant genetic differences among populations from various ...more ↓
The Chihuahuan Raven (Corvus cryptoleucus), is a species of bird in the family Corvidae that is native to the United States and Mexico. It was formerly known as the American White-necked Raven, and has the proportions of a Common Raven with a heavy bill, but is about the same size as a Carrion Crow, or slightly larger than the American Crow (44–51 cm (17–20 in) long). The ...more ↓
The Blue Jay (Cyanocitta cristata) is a passerine bird in the family Corvidae, native to North America. It is resident through most of eastern and central United States and southern Canada, although western populations may be migratory. It breeds in both deciduous and coniferous forests, and is common near and in residential areas. It is predominately blue with a white chest and ...more ↓
The Steller's jay (Cyanocitta stelleri) is a jay native to western North America, closely related to the blue jay found in the rest of the continent, but with a black head and upper body. It is also known as the long-crested jay, mountain jay, and pine jay. It is the only crested jay west of the Rocky Mountains.
The Black-billed Magpie (Pica hudsonia) is a bird in the crow family that inhabits the western half of North America. It is notable for its domed nests, and for being one of only four North American songbirds whose tail makes up half or more of the total body length (the others being the Yellow-billed Magpie, the Scissor-tailed Flycatcher, and the Fork-tailed Flycatcher).
Clark's Nutcracker (Nucifraga columbiana), sometimes referred to as Clark's Crow or Woodpecker Crow, is a passerine bird in the family Corvidae. It is slightly smaller than its Eurasian relative the Spotted Nutcracker (N. caryocatactes). It is ashy-grey all over except for the black-and-white wings and central tail feathers (the outer ones are white). The ...more ↓
The pinyon jay (Gymnorhinus cyanocephalus) is a jay between the North American blue jay and the Eurasian jay in size. It is the only member of the genus Gymnorhinus, (monotypic). Its overall proportions are very nutcracker-like and indeed this can be seen as convergent evolution as both birds fill similar ecological niches. The pinyon jay is a bluish-grey coloured ...more ↓
The red crossbill (Loxia curvirostra) is a small passerine bird in the finch family Fringillidae, also known as the common crossbill in Eurasia. Crossbills have distinctive mandibles, crossed at the tips, which enable them to extract seeds from conifer cones and other fruits.
The Common Redpoll (Carduelis flammea) is a species in the finch family. It breeds somewhat further south than the Arctic Redpoll, also in habitats with thickets or shrubs. Nominate C. f. flammea (Mealy Redpoll) breeds across the northern parts of North America and Eurasia. There is also an Icelandic subspecies, Icelandic Redpoll (C. f. islandica), ...more ↓
The pine siskin (Spinus pinus) is a North American bird in the finch family. It is a migratory bird with an extremely sporadic winter range.
The Lesser Goldfinch or Dark-backed Goldfinch (Carduelis psaltria) is a very small songbird of the Americas. Together with its relatives the American Goldfinch and Lawrence's Goldfinch, it forms the American goldfinches clade in the genus Carduelis sensu stricto.
The American Goldfinch (Carduelis tristis), also known as the Eastern Goldfinch, is a small North American bird in the finch family. It is migratory, ranging from mid-Alberta to North Carolina during the breeding season, and from just south of the Canadian border to Mexico during the winter.
Cassin's Finch (Haemorhous cassinii) is a bird in the finch family Fringillidae. This species and the other "American rosefinches" are placed in the genus Haemorhous by the American Ornithologists' Union but have usually been included in Carpodacus.
The House Finch (Haemorhous mexicanus) is a bird in the finch family Fringillidae, which is found in North America. This species and the other "American rosefinches" are placed in the genus Haemorhous by the American Ornithologists' Union but have usually been included in Carpodacus.
The Evening Grosbeak (Coccothraustes vespertinus) is a large finch. In the past, it was treated in a genus of its own as Hesperiphona vespertina, but is now usually placed in the same genus as the Hawfinch of Eurasia.
The Ash-throated Flycatcher (Myiarchus cinerascens) is a passerine bird in the tyrant flycatcher family. It breeds in desert scrub, riparian forest, brushy pastures and open woodland from the western United States to central Mexico. It is a short-distance migrant, retreating from most of the U.S. and northern and central Mexico, spending the winter from southern Mexico to ...more ↓
The Great Crested Flycatcher (Myiarchus crinitus) is a large insect-eating bird of the tyrant flycatcher family. It is the most widespread member of the genus, Myiarchus, in North America and is found over most of the eastern and mid-western portions of the continent. It dwells mostly in the treetops and rarely is found on the ground.
The Olive-sided Flycatcher (Contopus cooperi) is a passerine bird. It is a medium-sized tyrant flycatcher.
The Western Wood Pewee (Contopus sordidulus) is a small tyrant flycatcher. Adults are gray-olive on the upperparts with light underparts, washed with olive on the breast. They have two wing bars and a dark bill with yellow at the base of the lower mandible. This bird is very similar in appearance to the Eastern Wood Pewee; the two birds were formerly considered to be one ...more ↓
The Eastern Wood Pewee (Contopus virens) is a small tyrant flycatcher from North America. This bird and the Western Wood Pewee (C. sordidulus) were formerly considered to be a single species. The two species are virtually identical in appearance, and can be distinguished most easily by their calls.
The Vermilion Flycatcher (Pyrocephalus rubinus) is a small passerine bird in the Tyrannidae, or tyrant flycatcher family. Most flycatchers are rather drab, but the Vermilion Flycatcher is a striking exception. It is a favourite with birders, but is not generally kept in aviculture, as the males tend to lose their vermilion colouration when in captivity.
The Alder Flycatcher (Empidonax alnorum) is a small insect-eating bird of the tyrant flycatcher family.
Hammond's Flycatcher, Empidonax hammondii is a small insect-eating bird. It is a small Empidonax flycatcher, with typical size ranging from 12.5-14.5 cm.
The least flycatcher (Empidonax minimus), (also called chebec, or chebecker, after the sound it makes), is a small insect-eating bird. It is the smallest Empidonax flycatcher in eastern North America.
The American Dusky Flycatcher, or simply Dusky Flycatcher, (Empidonax oberholseri) is a small, insectivorous passerine of the tyrant flycatcher family.
The Cordilleran Flycatcher (Empidonax occidentalis) is a small insect-eating bird. It is a small Empidonax flycatcher, with typical length ranging from 13 to 17 cm.
The Willow Flycatcher (Empidonax traillii) is a small insect-eating, neotropical migrant bird of the tyrant flycatcher family. There are four subspecies of the Willow Flycatcher currently recognized, all of which breed in North America (including three subspecies which breed in California). Empidonax flycatchers are almost impossible to tell apart in the field so biologists use ...more ↓
The American Gray Flycatcher, or just Gray Flycatcher (Empidonax wrightii) as it is known in North America, is a small, insectivorous passerine in the tyrant flycatcher family. It is common in the arid regions of western North America, especially the Great Basin. From sagebrush steppes to pinyon-juniper woodlands and ponderosa pine forests, this flycatcher forages for ...more ↓
The Thick-billed Kingbird (Tyrannus crassirostris) is a large bird in the Tyrannidae family, the tyrant flycatchers. This bird breeds from southeastern Arizona, extreme southwestern New Mexico, and northern Sonora, (the Madrean sky islands), in the United States and Mexico, through western and western-coastal Mexico, south to western Guatemala.
The Scissor-tailed Flycatcher (Tyrannus forficatus, also known as the Texas bird-of-paradise and the swallowtailed flycatcher) is a long-tailed insectivorous (insect-eating) bird of the genus Tyrannus, whose members are collectively referred to as kingbirds. The kingbirds are a group of large insectivorous birds in the tyrant flycatcher (Tyrannidae) family. ...more ↓
The Eastern Kingbird (Tyrannus tyrannus) is a large tyrant flycatcher native to North America.
The Cassin's Kingbird (Tyrannus vociferans) is a large tyrant flycatcher native to western North America. The name of this bird commemorates the American ornithologist John Cassin.
The Eastern Phoebe (Sayornis phoebe) is a small passerine bird. This tyrant flycatcher breeds in eastern North America, although its normal range does not include the southeastern coastal USA.
The Say's Phoebe (Sayornis saya), a passerine, is in the Tyrant-Flycatcher family. A common bird in the western United States. It prefers dry, desolate areas. This bird was named for Thomas Say, the American naturalist.