greater scaup immature

: Photographer : © Arnab Pal Location : Gajoldoba, Teesta Barrage, Jalpaiguri District, West Bengal, India: Date : â¦ Carboneras, C. and G. M. Kirwan (2016). Nonbreeding males look like a cross between a female and a breeding male: a mottled brown-and-gray body and a blackish head. Certainly, sufficiently similar that any difference is one of degree and will be exceedingly difficult to discern (both in the â¦ wedding cake with flower and leaves decoration - greater scaup duck stock pictures, royalty-free photos & images . An immature Greater Scaup (Aythya marila) on Lake Windermere, Lake District, UK. A large bird that resembles a cross between a crow and a pheasant. The American Wild-life Institute, Washington, D. C. â¦ Greater Scaup. Details: head shape and width, large bill depth, large nail plus much white extending into primaries points to Greater Scaup. Image of waterwild, greater, scaup - 129040501 Image of waterwild, greater, scaup - 129040501 Stock Photos Large diving duck with a rounded head and a yellow eye. Only a handful breed in â¦ But especially with juveniles, the bi-colored bill of hybrids is most diagnostic. Dark head, chest, and rear contrasts with white sides and gray back. Immature male Greater Scaup, Cape May Pt., Cape May Co., NJ; 7 January 2012. Immature females appeared to molt over a longer period and with lower intensity than adult females. found on large, open lakes, bays. Ring-necked Duck Female. Cornell Lab of Ornithology, Ithaca, NY, USA. Get Instant ID help for 650+ North American birds. They look remarkably similar to the Lesser Scaupâ¦ Ruddy Duck. Anseriformes > Anatidae. Brina Kessel, Deborah A. Rocque, and John S. Barclay, Kessel, B., D. A. Rocque, and J. S. Barclay (2020). Here, black-and-white males and chocolatey-brown females bob along on the waves. East Midlands. Males have black heads, shoulder and breast, white flanks, grey back and a black tail. greater scaup duck, aythya marila. Scaup Tufted Duck, Wildfowl and Wetlands Trust, London, UK. Gadwall. Lesser scaup duck,Aythya affinis,shaking off water droplets after dive,Wetland center in Somerset,United Kingdom. In flight they show white patches along the length of the trailing edge of the wing. Great Egret, Carlton Marshes, Suffolk (Rob Holmes). Female + 3. Medium-sized diving duck with rounded head and fairly heavy, broad bill. Disease and Body Parasites. 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. Immature male + 3. They congregate by the hundreds and thousands along the Pacific and Atlantic coasts during winter. This is, however, often not the case for Lesser and Greater â¦ During migration and winter, Greater Scaup form large flocks on bays, lakes, and larger wetlands. Scaup are diving ducks with a resemblance to tufted ducks. Though occasionally seen with Lesser Scaup, Greater Scaup typically flock together in single-species groups. 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. Siberian Chiffchaff, Kempsey, Worcestershire (Andrew Warr). 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. Often in flocks with other â¦ Bufflehead, quite a lot. Immature Black-crowned or Yellow-crowned Night-Heron? They also have a larger nail on the end of their bill, not to mention body size is generally a little bigger. Photograph by Tony Leukering.] Two night-herons share somewhat similar â¦ Male with black head, chest, and â¦ Medium-sized diving duck with a broad, black-tipped bill. A passage migrant and winter visitor in Kent, most prevalent in severe weather when large â¦ https://doi.org/10.2173/bow.gresca.01, Kessel, B., D. A. Rocque, and J. S. Barclay (2002). Note the round-headed look with the head peaking closer to the rear. 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. 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. It is named for its large horns. POWERED BY MERLIN. Female scaup â¦ The rump and under the is black. Field Identification Tips for Scaups . 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. Identifying scaups in the field can be a great challenge, but it is possible. Pale gray back and white sides are distinctive from a distance. Click here for ID tips. Juveniles are much duller with white bars on the tail and underparts and variable amounts of black streaks on the wings and upperparts. Bighorn sheep range: Synonyms; O. cervina Desmarest O. montana Cuvier. Get Instant ID help for 650+ North American birds. This is by far the commonest Aythya and therefore the most familiar. Aythya affinis. Looking for ID Help? Click here for ID tips. At close range, gray back is finely marked with black lines. Greater Scaup Aythya marila. 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. Can be similar to immature male and female Tufted Duck, but note smoothly rounded head and more extensive white bill base patch in females. When a flock is feeding on waters where a tide is running, the birds generally face up-current; there may be a continuous shifting as birds from the â¦ 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. Names (45) Species names in all available languages. Females are brown, with characteristic white patches around the base of the bill. Many of the distinguishing field marks between â¦ They tend to form tight groups with each other and sometimes mix with other diving ducks. Photos comparing this bird species with similar or confusing species, including captions â¦ Medium-sized diving duck with an evenly rounded head and a yellow eye. Greater Scaup (Aythya marila), version 2.0. Found on large bodies of water around the Great Lakes and coastal areas in the United States. Couch's or Tropical Kingbird? Sign in to see your badges. Winter flocks on coastal bays may number in the thousands. https://doi.org/10.2173/bna.650. LC Least Concern. Bill bluish with black tip. Greater Scaup Aythya marila - Hybrid? The Lesser Scaup is a medium-sized diving duck with a small â¦ The back is white or pale gray with thin wavy black lines. Larger than a Green-winged Teal, smaller than a Canvasback. Hybrid combinations that are known from the wild and resemble the Lesser Scaup are: The occurrence of hybridization between Lesser and Greater Scaup â¦ Habitat + 3. The Greater Scaup is a medium-sized diving duck with a rounded head. The Greater Scaup is found primarily along the seacoast and on large bodies of water. A pair of horns might weigh up to 14 kg (30 lb); the sheep typically weigh up to 143 kg (315 lb). Tufted Duck geâ¦ In late winter, a molt into the alternate (nuptial) plumage was begun. Interesting Information. Photo about Onvolwassen mannetje Topper zwemmend rustend; Immature male Greater Scaup resting. Both male and female Greater Scaup frequently return to the same breeding area in subsequent years. 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. In Handbook of the Birds of the World Alive (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). practically ceased. At this time of year, most ducks are readily identified based on size, plumage, behavior, voice, and/or habitat. Age & Sex: Juvenile Immature Adult Age Unknown; Male: Female: 1: Sex Unknown: Media: Media powered by Macaulay Library. palo alto baylands, california - greater scaup duck stock pictures, royalty-free photos & images. Causes of Mortality. Measures of Breeding Activity. Species Maps; Explore a Region; Explore Hotspots; Search â¦ Is it a Greater or Lesser Scaup? Redhead Female. Head shape is best way to separate from nearly identical Greater Scaupâ¦ Nonbreeding males have brownish gray back and flanks. These two very similar ducks share similar plumage features and only vary slightly in size, with Greater Scaup â¦ Unlike its look-alike relative the Lesser Scaup, the Greater Scaup is found across Eurasia as well as North America. DUCK, SCAUP, male preening on water, winter, UK. 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. 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. Medium-sized diving duck with a rounded head. Ducks, Geese, and Waterfowl(Order: Anseriformes, Family:Anatidae). Greater scaup hatchlings make their first flight approximately 36-40 days after hatching, while lesser scaups take longer to mature and make their first flight at 45-50 days. In breeding plumage, the male Greater Scaup has a black head, neck, upper back, and breast. 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. 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. Rounded head. Explore. Adult Description Medium-sized diving duck. Flocks winter mainly on saltwater bays and estuaries; also on Great Lakes and other large freshwater lakes that stay ice free in winter. Greater Scaup (Aythya marila). Try Merlin Bird ID. The head has a green iridescent sheen. Life Span and Survivorship. Recent genetic testing indicates three â¦ - AB Rich brown overall, with white patch next to bill and, in summer, often a pale "ear" patch toward the back of the head. Ornithological Society Of The Middle East The Caucasus And Central Asia, RED DE OBSERVADORES DE AVES Y VIDA SILVESTRE DE CHILE. Greater Scaup Immature male. Ring-necked Duck Adult male and female. The bighorn sheep (Ovis canadensis) is a species of sheep native to North America. Up to three Black Brant were in Essex: at Goldhanger, Salcott-cum-Virley and South Woodham Ferrers. Unlike its look-alike relative the Lesser Scaup, the Greater Scaup is found across Eurasia as well as North America. 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. Often flocks with other diving ducks, especially in winter and migration. The Four Keys to ID. Cornell Lab of Ornithology, Ithaca, NY, USA. The more northerly of our two scaup species, the Greater is also found across northern Europe and Asia. Two Snow â¦ Listen +2 more audio recordings. Identification. greater scaup â¦ 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. Female + 3. MOLT IN THE GREATER SCAUP * Billard and Hum phrey 765 swans of North America. At this time of year, any lake, reservoir or gravel pit should host this species, as well as its frequent companion, Common Pochard. Though a scarce breeding bird in Britain, it is much more regular in winter, when numbers are boosted by continental migrants. larger size and smoothly rounded head help distinguish this species from the lesser scaup. Greater Scaup have a brighter white stripe that extends the full length of the wing. Breeds in shallow lakes and ponds in treeless wetlands in the tundra. Greater Scaup (Aythya marila), version 1.0. Newfoundland and Labrador, April 12, 2019, Newfoundland and Labrador, August 03, 2016, See more images of this species in Macaulay Library. Common across a â¦ Ring-necked Duck, female (1). Scaup, probably both Greater Scaup and Lesser Scaup, a lot M+F; at least one is immature male (please confirm from the pictures taken). Demography and Populations. Brina Kessel, Deborah A. Rocque, and John S. Barclay Version: 1.0 â Published March 4, 2020 Tight-knit groups of Lesser Scaup congregate on large lakes, reservoirs, and estuaries during migration and winter, sometimes by the â¦ In non-breeding plumage the male is duller, with brown to black head and â¦ Cold and wet weather is a significant source of mortality for young scaup, but those that survive can live a long time. The devilishly similar Greater Scaup often joins the group too, but the Lesser Scaup wears a tiny peaked hat that sits towards the back of the head, unlike the Greater Scaup's rounded head. Medium-sized duck, dives for invertebrates. 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. The Greater Scaup is found primarily along the seacoast and on large bodies of water. Greenish iridescence on head only visible with ideal lighting. In flight, all plumages have a white wing stripe that extends into the primaries, nearly to the tip of the wing. The Cornell Lab will send you updates about birds, birding, and opportunities to help bird conservation. Population Spatial â¦ Mature drake Greater Scaup also tend to have a greenish metallic sheen to their heads whereas Lesser Scaup drakes have a purplish-blue â¦ A Dusky â¦ Greenish iridescence on head is only visible in ideal lighting. Occasionally an older female Greater Scaup will have male-like head color and male patterning on â¦ Language Common name; Arabic ... Immature Stage. The belly and sides are white. Michael J. Anteau, Jean-Michel DeVink, David N. Koons, Jane E. Austin, Christine M. Custer, and Alan D. Afton Version: 1.0 â Published March 4, 2020 Lesser Scaup. During winter, look for Greater Scaup on coastal bays, lakes, and reservoirs. In The Birds of North America (A. F. Poole and F. B. Gill, Editors). The only circumpolar diving duck, the Greater Scaup breeds across the tundra regions in North America and Europe. Size & Shape. Scaup; Aythya marila; Male; Winter; UK. Lynx Edicions, Barcelona. Largely black with distinctive rusty wings, glossy underparts, a long and heavy black tail, and deep red eyes. 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 â¦ In Birds of the World (S. M. Billerman, Editor). Warm brownish overall, with white facial patch next to bill and a yellow eye. Redhead Breeding male. Often in flocks and pairs on variety of water bodies.

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