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