greater scaup immature

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