Birds of Chatfield State Park

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 ↓

Sanderling

The sanderling (Calidris alba) is a small wading bird. The name derives from Old English sand-yrðling, "sand-ploughman". The genus name is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds. The specific alba is Latin for "white".

Dunlin

The dunlin (Calidris alpina) is a small wader, sometimes separated with the other "stints" in Erolia. It is a circumpolar breeder in Arctic or subarctic regions. Birds that breed in northern Europe and Asia are long-distance migrants, wintering south to Africa, southeast Asia and the Middle East. Birds that breed in Alaska and the Canadian Arctic migrate short distances ...more ↓

Baird's Sandpiper

The Baird's Sandpiper (Calidris bairdii) is a small shorebird. It is among those calidrids sometimes separated in Erolia.

White-rumped Sandpiper

The White-rumped Sandpiper (Calidris fuscicollis) is a small shorebird.

Stilt Sandpiper

The Stilt Sandpiper (Calidris himantopus) or Micropalama himantopus, is a small shorebird; it bears some resemblance to the smaller calidrid sandpipers or "stints". DNA sequence information is incapable of determining whether it should be placed in Calidris or in the monotypic genus Micropalama. It appears most closely allied with the Curlew ...more ↓

Western Sandpiper

The Western Sandpiper, Calidris or Erolia mauri, is a small shorebird.

Pectoral Sandpiper

The Pectoral Sandpiper (Calidris melanotos) is a small, migratory wader that breeds in North America and Asia, wintering in South America and Oceania. It eats small invertebrates. Its nest, a hole scraped in the ground and with a thick lining, is deep enough to protect its four eggs from the cool breezes of its breeding grounds. The pectoral sandpiper is 21 cm long, with a ...more ↓

Least Sandpiper

The Least Sandpiper (Calidris minutilla) is the smallest shorebird.

Semipalmated Sandpiper

The semipalmated sandpiper (Calidris pusilla) is a very small shorebird. The genus name is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds. The specific pusilla is Latin for "very small".

Buff-breasted Sandpiper

The buff-breasted sandpiper (Tryngites subruficollis) is a small shorebird. It is a calidrid sandpiper and currently considered to be the only member of the genus Tryngites. Indeed, it probably belongs in the genus Calidris itself, or more precisely with the small species thereof that should be split into a distinct genus. Depending on whether this would ...more ↓

Long-billed Dowitcher

The Long-billed Dowitcher (Limnodromus scolopaceus) is a medium-sized shorebird.

Lesser Yellowlegs

The Lesser Yellowlegs (Tringa flavipes) is a medium-sized shorebird similar in appearance to the larger Greater Yellowlegs. It is not closely related to this bird, however, but instead to the much larger and quite dissimilar Willet; merely the fine, clear and dense pattern of the neck shown in breeding plumage indicates these species' actual relationships.

Greater Yellowlegs

The Greater Yellowlegs (Tringa melanoleuca) is a large North American shorebird, similar in appearance to the smaller Lesser Yellowlegs. Its closest relative, however, is the Greenshank, which together with the Spotted Redshank form a close-knit group. Among them, these three species show all the basic leg and foot colors found in the shanks, demonstrating that this character is ...more ↓

Willet

The Willet (Tringa semipalmata), formerly in the monotypic genus Catoptrophorus as Catoptrophorus semipalmatus, is a large shorebird in the sandpiper family. It is a good-sized and stout scolopacid, the largest of the shanks. Its closest relative is the Lesser Yellowlegs, a much smaller bird with a very different appearance apart from the fine, clear, and ...more ↓

Solitary Sandpiper

The Solitary Sandpiper (Tringa solitaria) is a small wader (shorebird).

Long-billed Curlew

The Long-billed Curlew (Numenius americanus) is a large North American shorebird of the family Scolopacidae. This species was also called "sicklebird" and the "candlestick bird". The species is native to central and western North America. In the winter, the species migrates southwards, as well as towards the coastline.

Whimbrel

The whimbrel (Numenius phaeopus) is a wader in the large family Scolopacidae. It is one of the most widespread of the curlews, breeding across much of subarctic North America, Europe and Asia as far south as Scotland.

Wilson's Snipe

Wilson's snipe (Gallinago delicata) is a small, stocky shorebird. The genus name gallinago is New Latin for a woodcock or snipe from Latin gallina, "hen" and the suffix -ago, "resembling". The specific delicata is Latin for "dainty".

Common Snipe

The Common Snipe (Gallinago gallinago) is a small, stocky wader native to the Old World. The breeding habitat is marshes, bogs, tundra and wet meadows throughout northern Europe and northern Asia. It is migratory, with European birds wintering in southern and western Europe and Africa (south to the Equator), and Asian migrants moving to tropical southern Asia. The North American ...more ↓

Black Turnstone

The Black Turnstone (Arenaria melanocephala) is a species of small wading bird. It is one of two species of turnstone in the genus Arenaria, the Ruddy Turnstone (A. interpres) being the other. It is now classified in the sandpiper family Scolopacidae but was formerly sometimes placed in the plover family Charadriidae. It is native to the west coast of North America ...more ↓

Marbled Godwit

The Marbled Godwit (Limosa fedoa) is a large shorebird. On average, it is the largest of the 4 species of godwit. The total length is 40–50 cm (16–20 in), including a large bill of 8–13 cm (3.1–5.1 in), and wingspan is 70–88 cm (28–35 in). Body mass can vary from 240 to 510 g (8.5 to 18 oz).

Red Phalarope

The Red Phalarope (called Grey Phalarope in Europe), Phalaropus fulicarius, is a small wader. This phalarope breeds in the Arctic regions of North America and Eurasia. It is migratory, and, unusually for a wader, migrating mainly on oceanic routes and wintering at sea on tropical oceans.

Red-necked Phalarope

The red-necked phalarope (Phalaropus lobatus) is a small wader. The English and genus names for phalaropes come through French phalarope and scientific Latin phalaropus from Ancient Greek phalaris, "coot", and pous, "foot". Coots and phalaropes both have lobed toes. The specific lobatus is New Latin for lobed, for the same reason. This bird was ...more ↓

Wilson's Phalarope

The Wilson's phalarope (Phalaropus tricolor) is a small wader. This bird, the largest of the phalaropes, breeds in the prairies of North America in western Canada and the western United States. It is migratory, wintering in inland salt lakes near the Andes in Argentina. They are passage migrants through Central America around March/April and again during September/October. The ...more ↓

Upland Sandpiper

The upland sandpiper (Bartramia longicauda) is a large sandpiper, closely related to the curlews. Older names are the upland plover and Bartram's sandpiper. In Louisiana, it is also colloquially known as the papabotte. It is the only member of the genus Bartramia. The genus name and the old common name Bartram's sandpiper commemorate the American ...more ↓

Spotted Sandpiper

The Spotted Sandpiper (Actitis macularius syn. Actitis macularia) is a small shorebird, 18–20 cm long. Together with its sister species, the Common Sandpiper (A. hypoleucos) they make up the genus Actitis. They replace each other geographically; stray birds may settle down with breeders of the other species and hybridize.

Least Tern

The Least Tern (Sternula antillarum, formerly Sterna antillarum) is a species of tern that breeds in North America and locally in northern South America. It is closely related to, and was formerly often considered conspecific with, the Little Tern of the Old World. Other close relatives include the Yellow-billed Tern and Peruvian Tern, both from South America.

Caspian Tern

The Caspian Tern (Hydroprogne caspia, formerly Sterna caspia;syn. Hydroprogne tschegrava, Helopus caspius) is a species of tern, with a subcosmopolitan but scattered distribution. Despite its extensive range, it is monotypic of its genus, and has no subspecies accepted either. In New Zealand it is also known by the Maori name Taranui.

Forster's Tern

The Forster's Tern (Sterna forsteri) is a member of the tern family Sternidae. It breeds inland in North America and winters south to the Caribbean and northern South America.

Common Tern

The Common Tern (Sterna hirundo) is a seabird of the tern family Sternidae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is strongly migratory, wintering in coastal tropical and subtropical regions. Breeding adults have light grey upperparts, white to very light grey underparts, a ...more ↓

Black Tern

The black tern (Chlidonias niger or Chlidonias nigra) is a small tern generally found in or near inland water in Europe and North America. As its name suggests, it has predominantly dark plumage. In some lights it can appear blue in the breeding season, hence the old English name "blue darr". The scientific name means "like a swallow".

Bonaparte's Gull

The Bonaparte's Gull (Chroicocephalus philadelphia) is a small gull.

Little Gull

The Little Gull (Hydrocoloeus minutus or Larus minutus), is a small gull which breeds in northern Europe and Asia. It also has small colonies in parts of southern Canada. It is migratory, wintering on coasts in western Europe, the Mediterranean and (in small numbers) the northeast USA; in recent years non-breeding birds have summered in western Europe in increasing ...more ↓

Herring Gull

Herring gull is a common name for several birds in the genus Larus and may refer to:

California Gull

The California Gull (Larus californicus) is a medium-sized gull, smaller on average than the Herring Gull but larger on average than the Ring-billed Gull, though may overlap in size greatly with both.

Mew Gull

The common gull (European and Asian subspecies; see below) or mew gull (North American subspecies) Larus canus is a medium-sized gull which breeds in northern Asia, northern Europe and northwestern North America. It migrates further south in winter. Its name does not indicate that it is an abundant species, but that during the winter it feeds on common land, short ...more ↓

Ring-billed Gull

The Ring-billed Gull (Larus delawarensis) is a medium-sized gull.

Lesser Black-backed Gull

The lesser black-backed gull (Larus fuscus) is a large gull that breeds on the Atlantic coasts of Europe. It is migratory, wintering from the British Isles south to West Africa. It is a regular winter visitor to the east coast of North America, probably from the breeding population in Iceland.

Glaucous Gull

The Glaucous Gull (Larus hyperboreus) is a large gull which breeds in the Arctic regions of the northern hemisphere and the Atlantic coasts of Europe. It is migratory, wintering from in the North Atlantic and North Pacific oceans as far south as the British Isles and northernmost states of the USA, also on the Great Lakes. A few birds sometimes reach the southern USA and ...more ↓

Great Black-backed Gull

The Great Black-backed Gull (Larus marinus), also known as the Greater Black-backed Gull or, informally, as the Black-back, is the largest member of the gull family. It breeds on the European and North American coasts and islands of the North Atlantic and is fairly sedentary, though some Black-backs move farther south or inland to large lakes or reservoirs.

Western Gull

The western gull (Larus occidentalis) is a large white-headed gull that lives on the west coast of North America. It was previously considered conspecific with the yellow-footed gull (Larus livens) of the Gulf of California. The western gull ranges from British Columbia, Canada to Baja California, Mexico, and, because of its convenient colonies on the coast of California, ...more ↓

Thayer's Gull

The Thayer's Gull (Larus thayeri) is a large gull native to North America that breeds in the Arctic islands of Canada and primarily winters on the Pacific coast, from southern Alaska to the Gulf of California, though there are also wintering populations on the Great Lakes and the upper Mississippi River. The species has occurred a vagrant to Tamaulipas, Mexico,1 Japan,3 Denmark, ...more ↓

Thayer's Gull

Thayer's gull (Larus glaucoides thayeri) is a subspecies of the Iceland gull. It is a large gull native to North America that breeds in the Arctic islands of Canada and winters primarily on the Pacific coast, from southern Alaska to the Gulf of California, though there are also wintering populations on the Great Lakes and the upper Mississippi River. The species has occurred as ...more ↓

Black-legged Kittiwake

The black-legged kittiwake (Rissa tridactyla) is a seabird species in the gull family Laridae.

Sabine's Gull

The Sabine's Gull (Xema sabini), also known as the Fork-tailed gull or Xeme, is a small gull. Its generic placement is disputed; some authors treat it as the sole species in the genus Xema as Xema sabini, while others retain it in the genus Larus as Larus sabini. It breeds in the Arctic and has a circumpolar distribution ...more ↓

Laughing Gull

The Laughing Gull (Leucophaeus atricilla) is a medium-sized gull of North and South America. It breeds on the Atlantic coast of North America, the Caribbean, and northern South America. Northernmost populations migrate further south in winter, and this species occurs as a rare vagrant to western Europe. (There was an influx into North-west Europe in late October 2005 when at ...more ↓

Franklin's Gull

The Franklin's Gull (Leucophaeus pipixcan) is a smallgull.

Kentish Plover

The Kentish plover (Charadrius alexandrinus) is a small wader in the plover bird family.

Piping Plover

The piping plover (Charadrius melodus) is a small sand-colored, sparrow-sized shorebird that nests and feeds along coastal sand and gravel beaches in North America. The adult has yellow-orange legs, a black band across the forehead from eye to eye, and a black stripe running along the breast line. This chest band is usually thicker in males during the breeding season, and it is ...more ↓

Semipalmated Plover

The Semipalmated Plover (Charadrius semipalmatus) is a small plover.

Killdeer

The Killdeer (Charadrius vociferus) is a medium-sized plover.

American Golden-Plover

The American Golden Plover (Pluvialis dominica) is a medium-sized plover.

Black-bellied Plover

The grey plover (Pluvialis squatarola), known as the black-bellied plover in North America, is a medium-sized plover breeding in Arctic regions. It is a long-distance migrant, with a nearly worldwide coastal distribution when not breeding.

Long-billed Murrelet

The long-billed murrelet (Brachyramphus perdix) is a small seabird from the North Pacific. The genus name Brachyramphus is from Ancient Greek brakhus, "short", and rhamphos, "bill". The species name perdix is Latin for "partridge" Pallas described this auk as Magnitudine Perdicis. "Murrelet" is a diminutive of "murre", a word of uncertain ...more ↓

Ancient Murrelet

The Ancient Murrelet (Synthliboramphus antiquus) is a bird in the auk family. It breeds from the Yellow Sea (islands off China), through the Russian Pacific coast and the Aleutian Islands to the Haida Gwaii archipelago of British Columbia, where about half of the world population breeds.

Black-necked Stilt

The Black-necked Stilt (Himantopus mexicanus) is a locally abundant shorebird of American wetlands and coastlines. It is found from the coastal areas of California through much of the interior western United States and along the Gulf of Mexico as far east as Florida, then south through Central America and the Caribbean to northwest Brazil southwest Peru,east Ecuador and the ...more ↓

American Avocet

The American Avocet (Recurvirostra americana) is a large wader in the avocet and stilt family, Recurvirostridae.

Long-tailed Jaeger

The Long-tailed Jaeger (Stercorarius longicaudus) (known as the Long-tailed Skua outside the Americas) is a seabird in the skua family Stercorariidae.

Parasitic Jaeger

The Parasitic Jaeger, also known as the Arctic Skua or Parasitic Skua, (Stercorarius parasiticus) is a seabird in the skua family Stercorariidae.

Pomarine Jaeger

The pomarine jaeger (Stercorarius pomarinus), pomarine skua, or pomatorhine skua, is a seabird in the skua family Stercorariidae. It is a migrant, wintering at sea in the tropical oceans.

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