greater scaup immature

Carboneras, C. and G. M. Kirwan (2016). Greater Scaup Scaup at Seabrook (Brian Harper) Aythya marila Category A Rare migrant and winter visitor 28 records Breeds in Iceland, northern Scandinavia and Russia, wintering on coasts around western Europe, including Britain. Adult Description Medium-sized diving duck. Hybrid combinations that are known from the wild and resemble the Lesser Scaup are: The occurrence of hybridization between Lesser and Greater Scaup … They also have a larger nail on the end of their bill, not to mention body size is generally a little bigger. Habitat + 3. The rump and under the is black. The belly and sides are white. Mature drake Greater Scaup also tend to have a greenish metallic sheen to their heads whereas Lesser Scaup drakes have a purplish-blue … Ring-necked Duck Female. In flight, all plumages have a white wing stripe that extends into the primaries, nearly to the tip of the wing. A Dusky … Larger than a Green-winged Teal, smaller than a Canvasback. Aythya affinis. While Greater Scaup has a bigger bill on average, the smaller head and thinner neck of Lesser Scaup may give you the impression of it having a relatively large bill like a Greater. Females are brown overall with a darker brown head and a white patch next to the bill, but the size of the white patch varies. Scaup Tufted Duck, Wildfowl and Wetlands Trust, London, UK. Though a scarce breeding bird in Britain, it is much more regular in winter, when numbers are boosted by continental migrants. Large diving duck with a rounded head and a yellow eye. Juvenile plumage may be referred to as immature plumage after August due to a slightly different appearance caused by feather wear, even though the feathers are the same. Measures of Breeding Activity. - AB Greater Scaup (Aythya marila). At a distance, breeding male Greater Scaup are black and white, but closer views reveal an iridescent green sheen on the head, super thin black barring on the back, a bluish bill, and a yellow eye. An immature Greater Scaup (Aythya marila) on Lake Windermere, Lake District, UK. Winter flocks on coastal bays may number in the thousands. Dark head, chest, and rear contrasts with white sides and gray back. Female + 3. Many of the distinguishing field marks between … Greater Scaup (Aythya marila), version 1.0. Size & Shape. Common across a … LC Least Concern. Female + 3. Photos comparing this bird species with similar or confusing species, including captions … They look remarkably similar to the Lesser Scaup… Occasionally an older female Greater Scaup will have male-like head color and male patterning on … Often in flocks with other … Up to three Black Brant were in Essex: at Goldhanger, Salcott-cum-Virley and South Woodham Ferrers. Newfoundland and Labrador, April 12, 2019, Newfoundland and Labrador, August 03, 2016, See more images of this species in Macaulay Library. Demography and Populations. A large bird that resembles a cross between a crow and a pheasant. Listen +2 more audio recordings. Life Span and Survivorship. But especially with juveniles, the bi-colored bill of hybrids is most diagnostic. This is by far the commonest Aythya and therefore the most familiar. A seriously impressive movement of Greater Scaup on 29th included 56 south past Lowestoft and no fewer than 81 past Southwold in the same direction. Note the round-headed look with the head peaking closer to the rear. At this time of year, any lake, reservoir or gravel pit should host this species, as well as its frequent companion, Common Pochard. Ducks, Geese, and Waterfowl(Order: Anseriformes, Family:Anatidae). Both male and female Greater Scaup frequently return to the same breeding area in subsequent years. Breeds in shallow lakes and ponds in treeless wetlands in the tundra. Photo about Onvolwassen mannetje Topper zwemmend rustend; Immature male Greater Scaup resting. https://doi.org/10.2173/bow.gresca.01, Kessel, B., D. A. Rocque, and J. S. Barclay (2002). In non-breeding plumage the male is duller, with brown to black head and … Found on large bodies of water around the Great Lakes and coastal areas in the United States. Greater Scaup Immature male. Though occasionally seen with Lesser Scaup, Greater Scaup typically flock together in single-species groups. Try Merlin Bird ID. Can be similar to immature male and female Tufted Duck, but note smoothly rounded head and more extensive white bill base patch in females. Juveniles are much duller with white bars on the tail and underparts and variable amounts of black streaks on the wings and upperparts. Greater Scaup Aythya marila - Hybrid? Population Spatial … Greenish iridescence on head only visible with ideal lighting. Cornell Lab of Ornithology, Ithaca, NY, USA. Anseriformes > Anatidae. Great Egret, Carlton Marshes, Suffolk (Rob Holmes). Cold and wet weather is a significant source of mortality for young scaup, but those that survive can live a long time. Medium-sized diving duck with a broad, black-tipped bill. They congregate by the hundreds and thousands along the Pacific and Atlantic coasts during winter. Recent genetic testing indicates three … greater scaup … The Greater Scaup is found primarily along the seacoast and on large bodies of water. Redhead Breeding male. Female scaup … Explore. Greater Scaup. In Birds of the World (S. M. Billerman, Editor). The bighorn sheep (Ovis canadensis) is a species of sheep native to North America. The Cornell Lab will send you updates about birds, birding, and opportunities to help bird conservation. Gadwall. Age & Sex: Juvenile Immature Adult Age Unknown; Male: Female: 1: Sex Unknown: Media: Media powered by Macaulay Library. Medium-sized diving duck with an evenly rounded head and a yellow eye. Male with black head, chest, and … Ring-necked Duck, female (1). Looking for ID Help? Interesting Information. In flight they show white patches along the length of the trailing edge of the wing. The Greater Scaup is found primarily along the seacoast and on large bodies of water. Immature Black-crowned or Yellow-crowned Night-Heron? Rounded head. Immature male Greater Scaup, Cape May Pt., Cape May Co., NJ; 7 January 2012. The Lesser Scaup is a medium-sized diving duck with a small … Females are brown overall with a darker brown head and a white patch next to the bill, but the size of the white patch varies. A passage migrant and winter visitor in Kent, most prevalent in severe weather when large … During migration and winter, Greater Scaup form large flocks on bays, lakes, and larger wetlands. This is an important proviso, yet examination of a number of photos on the web suggests that the underwing patterns of Greater Scaup (female and immature at least) and Lesser Scaup can be rather similar. practically ceased. Get Instant ID help for 650+ North American birds. Often flocks with other diving ducks, especially in winter and migration. greater scaup duck, aythya marila. Sign in to see your badges. Unlike its look-alike relative the Lesser Scaup, the Greater Scaup is found across Eurasia as well as North America. : Photographer : © Arnab Pal Location : Gajoldoba, Teesta Barrage, Jalpaiguri District, West Bengal, India: Date : … Pale gray back and white sides are distinctive from a distance. Certainly, sufficiently similar that any difference is one of degree and will be exceedingly difficult to discern (both in the … found on large, open lakes, bays. Two night-herons share somewhat similar … Unlike its look-alike relative the Lesser Scaup, the Greater Scaup is found across Eurasia as well as North America. Males have black heads, shoulder and breast, white flanks, grey back and a black tail. Nonbreeding males have brownish gray back and flanks. Siberian Chiffchaff, Kempsey, Worcestershire (Andrew Warr). Greater Scaup is of regular occurrence in our two-state region, but is both over- and under-reported, due to the extreme difficulty that many birders -- even skilled ones -- have at identifying scaup. Bighorn sheep range: Synonyms; O. cervina Desmarest O. montana Cuvier. Ornithological Society Of The Middle East The Caucasus And Central Asia, RED DE OBSERVADORES DE AVES Y VIDA SILVESTRE DE CHILE. Warm brownish overall, with white facial patch next to bill and a yellow eye. Often in flocks and pairs on variety of water bodies. Bill bluish with black tip. Rich brown overall, with white patch next to bill and, in summer, often a pale "ear" patch toward the back of the head. Identifying scaups in the field can be a great challenge, but it is possible. Lesser scaup duck,Aythya affinis,shaking off water droplets after dive,Wetland center in Somerset,United Kingdom. The head has a green iridescent sheen. Image of waterwild, greater, scaup - 129040501 Image of waterwild, greater, scaup - 129040501 Stock Photos Scaup; Aythya marila; Male; Winter; UK. Greater Scaup Aythya marila. Female and immature hybrids typically lack the white bill base, except in those between Lesser Scaup and Ring-necked Duck, where the white extends to the eye region. It is named for its large horns. The more northerly of our two scaup species, the Greater is also found across northern Europe and Asia. POWERED BY MERLIN. Names (45) Species names in all available languages. The only circumpolar diving duck, the Greater Scaup breeds across the tundra regions in North America and Europe. Bufflehead, quite a lot. They tend to form tight groups with each other and sometimes mix with other diving ducks. GREATER SCAUP BY PIERRE DEVICHE, PHOENIX, AZ 85048, DEVICHE@ASU.EDU Winter in Arizona is the season to search for and study the many northern-breeding ducks that overwinter in this region. Field Identification Tips for Scaups . In The Birds of North America (A. F. Poole and F. B. Gill, Editors). Immature females appeared to molt over a longer period and with lower intensity than adult females. At close range, gray back is finely marked with black lines. Cornell Lab of Ornithology, Ithaca, NY, USA. Lesser Scaup. In breeding plumage, the male Greater Scaup has a black head, neck, upper back, and breast. Head shape is best way to separate from nearly identical Greater Scaup… Medium-sized duck, dives for invertebrates. Photograph by Tony Leukering.] Very similar to Lesser Scaup; note smoothly rounded head without tall peak, puffier cheeks, more extensive white stripe on wing in flight, and larger, broader bill. palo alto baylands, california - greater scaup duck stock pictures, royalty-free photos & images. wedding cake with flower and leaves decoration - greater scaup duck stock pictures, royalty-free photos & images . Medium-sized diving duck with rounded head and fairly heavy, broad bill. Wing Character: Male: Female: Adult: Immature: Immature: Adult: Scapulars: Heavily vermiculated; appear more white than dark: Lightly vermiculated and/or flecked with white; appear more dark than white: After molt: Similar to adult male: After molt: No obvious change : Tertials: Black, some flecked with white near … Brina Kessel, Deborah A. Rocque, and John S. Barclay Version: 1.0 — Published March 4, 2020 A pair of horns might weigh up to 14 kg (30 lb); the sheep typically weigh up to 143 kg (315 lb). Disease and Body Parasites. Get Instant ID help for 650+ North American birds. Scaup, Scaup Duck, Greater Scaup Duck, Bluebill, Broadbill: Bird Family : Anatini - Typical Ducks: Bird Group : ANSERIFORMES: Red Data Status : Least Concern: Remarks : A Greater Scaup, male - on the left, a Tufted Duck Aythya fuligula, female in the middle flanked by a Tufted Duck, male on the extreme right. The Four Keys to ID. These two very similar ducks share similar plumage features and only vary slightly in size, with Greater Scaup … Scaup, probably both Greater Scaup and Lesser Scaup, a lot M+F; at least one is immature male (please confirm from the pictures taken). Largely black with distinctive rusty wings, glossy underparts, a long and heavy black tail, and deep red eyes. Click here for ID tips. Causes of Mortality. This is, however, often not the case for Lesser and Greater … The American Wild-life Institute, Washington, D. C. … There was a similar maritime theme in Herefordshire, with a female Greater Scaup at Wellington GPs on 18th, first-winter Little Gull here the following day, and the Long-tailed Duck remaining at Brockhall GPs until 22nd at least. Ring-necked Duck Adult male and female. Flocks winter mainly on saltwater bays and estuaries; also on Great Lakes and other large freshwater lakes that stay ice free in winter. Is it a Greater or Lesser Scaup? Here, black-and-white males and chocolatey-brown females bob along on the waves. At a distance, breeding male Greater Scaup are black and white, but closer views reveal an iridescent green sheen on the head, super thin black barring on the back, a bluish bill, and a yellow eye. Identification. In late winter, a molt into the alternate (nuptial) plumage was begun. Scaup are diving ducks with a resemblance to tufted ducks. Immature male + 3. Similar looking birds to Lesser Scaup: Greater Scaup Breeding male, Greater Scaup Female, Greater Scaup Immature male, Ring-necked Duck Adult male and female, Ring-necked Duck Female, Redhead Breeding male, Redhead Female. Details: head shape and width, large bill depth, large nail plus much white extending into primaries points to Greater Scaup. In Handbook of the Birds of the World Alive (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors).

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