Chris Gomersall / 2020VISION / Northern wheatear (Oenanthe oenanthe) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April. Did you know? Yellow wagtails commonly used to nest in wat...
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Chris Gomersall / 2020VISION / Northern wheatear (Oenanthe oenanthe) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Adult male Pied wagtail (Motacilla alba yarrellii), in spring plumage, feeding on dung flies (Scathophagidae), Hertfordshire, England, UK, May. Did you know? Some of the colloquial names of Pied wagta...
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Ernie Janes / Pheasant (Phasianus colchicus) male amongst Bluebell flowers, UK, April
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Roger Powell / Stone Curlew (Burhinus oedicnemus) pair walking through a flower meadow, Castro Verde, Portugal, April
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Gerrit Vyn / Willow Ptarmigan (Lagopus lagopus) male standing on snow covered ground, vocalising in spring courtship. Males retain the white body plumage of winter plumage and molt the head and neck feathers to th...
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Gerrit Vyn / Western Sandpipers (Calidris mauri) and Dunlin (Calidris alpina) roosting during spring migration. Gray's Harbor County, Washington, USA, April.
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Gerrit Vyn / Adult Dunlin (Calidris alpina) moulting into breeding plumage, foraging during spring migration. Gray's Harbor County, Washington, USA, April.
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Colin Varndell / Pheasant (Phasianus colchicus) dominant male in breeding condition, Dorset, UK, April
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Colin Varndell / Pheasant (Phasianus colchicus) male in breeding condition, Dorset, UK, April
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Paul Hobson / Black tailed Godwit, (Limosa limosa) in breeding plumage, in field full of buttercups, Holland, May
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Paul Hobson / Black tailed Godwit, (Limosa limosa) in breeding plumage, in field full of buttercups, Holland, May
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Paul Hobson / Black tailed Godwit, (Limosa limosa) in breeding plumage, in field full of buttercups, Holland, May
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Paul Hobson / Black tailed Godwit (Limosa limosa) in breeding plumage, calling, on post, Holland, May
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Paul Hobson / Black tailed Godwit (Limosa limosa) in breeding plumage, on post, Holland, May
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Mark Hamblin / 2020VISION / Eider (Somateria mollissima) pair in spring plumage, Scotland, UK, May. Did you know? Eider ducks can fly at speeds up to 70 miles per hour.
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Mark Hamblin / 2020VISION / Male Eider (Somateria mollissima) in spring plumage, displaying, Scotland, UK, May.
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Mark Hamblin / 2020VISION / Eider (Somateria mollissima) male in spring plumage, displaying, Scotland, UK, May.
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Mark Hamblin / 2020VISION / Male Eider (Somateria mollissima) in spring plumage, displaying, Scotland, UK, May.
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Mark Hamblin / 2020VISION / Male Eider (Somateria mollissima) in spring plumage, displaying, Scotland, UK, May.
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Mark Hamblin / 2020VISION / Male Eider (Somateria mollissima) in spring plumage, displaying, Scotland, UK, May.
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Mark Hamblin / 2020VISION / Male Eider (Somateria mollissima) feeding, spring plumage, Scotland, UK, May.
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Mark Hamblin / 2020VISION / Male Eider (Somateria mollissima) in spring plumage discarding a mussel shell as it feeds, Scotland, UK. May.
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Andrew Parkinson / Ptarmigan (Lagopus mutus) adult with plumage between winter white and summer brown. Cairngorm Mountains, Scotland, UK, April.
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Marie Read / Spotted Sandpiper (Actitis macularia), adult in breeding plumage walking along shore of Mono Lake, spring, California, USA, June.
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Marie Read / Canada Warbler (Cardellina canadensis) male in breeding plumage, spring, New York, USA
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Marie Read / Canada Warbler (Cardellina canadensis) male in breeding plumage, singing in spring, New York, USA
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Marie Read / Canada Warbler (Cardellina canadensis) male in breeding plumage, singing in spring, New York, USA, May.
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Marie Read / Canada Warbler (Cardellina canadensis) male in breeding plumage, singing in spring, New York, USA, May.
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Marie Read / Baltimore Oriole (Icterus galbula) male in breeding plumage, perched among ornamental crabapple (Malus sp) blossoms in spring, New York, USA, May.
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Andy Rouse / RF- Pheasant (Phasianus colchicus) male displaying. Wales, UK March. (This image may be licensed either as rights managed or royalty free.)
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Chris Gomersall / 2020VISION / Pied wagtail (Motacilla alba yarrellii) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Yellowhammer (Emberiza citrinella) male in spring plumage perched in hawthorn hedgerow, Norfolk, UK, April
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Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Pied wagtail (Motacilla alba yarrellii) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Northern wheatear (Oenanthe oenanthe) adult male in spring plumage feeding on dung flies at farm midden heap, Yellow wagtail in the background, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Pied wagtail (Motacilla alba yarrellii) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Pied wagtail (Motacilla alba yarrellii) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Pied wagtail (Motacilla alba yarrellii) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Pied wagtail (Motacilla alba yarrellii) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Pied wagtail (Motacilla alba yarrellii) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Yellow wagtail (Motacilla flava flavissima) adult male in spring plumage feeding on dung flies at farm midden heap, Hertfordshire, UK, April
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima) in spring plumage feeding on flies from a manure pile, Hertfordshire, England, UK, April. 2020VISION Exhibition.
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Marie Read / Male Hooded warbler (Setophaga citrina) in breeding plumage, singing, New York, USA, May
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima) in spring plumage perched on a manure pile, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima) in spring plumage feeding on flies from a manure pile, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Northern wheatear (Oenanthe oenanthe) in spring plumage feeding on flies from a manure pile, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Northern wheatear (Oenanthe oenanthe) in spring plumage standing on a manure pile looking for food, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Pied wagtail (Motacilla alba yarrellii) in spring plumage perched on a manure heap, backlit whilst feeding on flies, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Pied wagtail (Motacilla alba yarrellii) in spring plumage perched on a manure heap, backlit, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Northern wheatear (Oenanthe oenanthe) in spring plumage feeding on flies from a manure pile, backlit, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Pied wagtail (Motacilla alba yarrellii) in spring plumage perched on a manure heap, backlit, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima) in spring plumage standing on a manure pile, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima) in spring plumage feeding on flies from a manure pile, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima) in spring plumage feeding on flies from a manure pile, Hertfordshire, England, UK, April
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima) in spring plumage perched on a manure pile, Hertfordshire, England, UK, April 2011
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima), in spring plumage, feeding on Dung flies (Scathophagidae), Hertfordshire, England, UK, May
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Chris Gomersall / 2020VISION / Adult male Yellow wagtail (Motacilla flava flavissima) in spring plumage feeding on flies from a manure pile, Hertfordshire, England, UK, April 2011
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Gerrit Vyn / Northern / Baltimore oriole (Icterus galbula) male in breeding plumage. Tompkins County, New York, USA May
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Gerrit Vyn / Long-billed Dowitcher (Limnodromus scolopaceus) adult foraging in breeding plumage. Seward Peninsula, Alaska, USA May
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Loic Poidevin / Rock Ptarmigan (Lagopus mutus) in spring plumage. Scotland, UK, May.
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Mark Hamblin / 2020VISION / Red-throated diver (Gavia stellata) adult on nest amongst cotton grass showing striped plumage on back of neck, Flow Country, Highland, Scotland, UK, June
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Ernie Janes / Black-headed gull (Chroicocephalus ridibundus) in flight, summer plumage, Norfolk, UK
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Ernie Janes / Flock of Black-tailed godwit (Limosa limosa) in flight, winter plumage, Norfolk, UK, March
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Andy Rouse / Portrait of European Robin (Erithacus rubecula) perched on lichen. Wales, UK, February.
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Marie Read / Summer Tanager (Piranga rubra) female perched beside male in breeding plumage, spring, Wichita Mountains National Wildlife Refuge, Oklahoma, USA, May
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Marie Read / Blue-gray Gnatcatcher (Polioptila caerulea), male in breeding plumage, Wichita Mountains National Wildlife Refuge, Oklahoma, USA
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Marie Read / Lazuli Bunting (Passerina amoena) male in breeding plumage, singing in spring, Mono Lake Basin, California, USA
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Marie Read / Bullock's Oriole (Icterus gabula bullockii) male in breeding plumage perched amid new leaves in spring, Mono Lake Basin, California, USA
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Marie Read / Black-headed Grosbeak (Pheucticus melanocephalus) male singing in spring, Mono Lake Basin, California, USA
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Colin Varndell / Male Yellowhammer perched on branch of Sallow catkins, in breeding condition. Dorset, UK, April, 2010
Gerrit Vyn / Willow Ptarmigan (Lagopus lagopus) male standing on snow covered ground, vocalising in spring courtship. Males retain the white body plumage of winter plumage and molt the head and neck feathers to th...
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Gerrit Vyn / Willow Ptarmigan (Lagopus lagopus) male standing on snow covered ground, in spring. Males retain the white body plumage of winter plumage and molt the head and neck feathers to the russet brown summer...
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Gerrit Vyn / Townsend's Warbler (Dendroica townsendi) male in breeding plumage, singing. Pend Oreille County, Washington, USA, May.
Gerrit Vyn / Pair of Horned Grebes (Podiceps auritus) in breeding plumage, on water, Southeast Alberta, Canada. May.
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Gerrit Vyn / Adult Dunlin (Calidris alpina) in breeding plumage during spring migration. Gray's Harbor County, Washington, USA, April.
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Gerrit Vyn / Two adult Dunlin (Calidris alpina) moulting into breeding (alternate) plumage, competing for a prey item during spring migration. Gray's Harbor County, Washington, USA, April.
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Gerrit Vyn / Common Moorhen (Gallinula chloropus) in breeding plumage foraging in a marsh. Anahuac National Wildlife Refuge, Texas, USA, March.
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Gerrit Vyn / Common Loon (Gavia immer) male on water, in breeding plumage giving yodel call. The yodel call is a complex territorial vocalization only given by males and is individual specific. Island County, Wash...
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LYNN M. STONE / Black-Bellied / Grey Plover (Pluvialis squatarola) in non-breeding plumage, on tidal sand flat while on spring migration; Tampa Bay, Florida, USA
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Gerrit Vyn / American Redstart (Setophaga ruticilla) male in breeding plumage, perched on a branch. St. Lawrence County, New York, USA, May
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Floris van Breugel / Male Scarlet Tanager (Piranga olivacea) singing and in breeding plumage, early spring in Sapsucker Woods, Ithaca, New York.
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Floris van Breugel / Male Scarlet Tanager (Piranga olivacea) in breeding plumage, early spring in Sapsucker Woods, Ithaca, New York.
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Alan Williams / Male Wigeon (Anas penelope) calling (whistling) in breeding plumage, Lancashire, UK, March.
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Alan Williams / Male Snow Bunting (Plectrophenax nivalis) in winter plumage feeding on rough ground close to the sea shore, North Wales, UK, March.
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Alan Williams / Male Snow Bunting (Plectrophenax nivalis) in winter plumage perching on coastal rocks, North Wales, UK, March.
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Gerrit Vyn / Adult male Bluethroat (Luscinia svecica) in breeding plumage singing from a spring willow. Seward Peninsula, Alaska, USA, June.
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Gerrit Vyn / Adult male "Myrtle" Yellow-rumped Warbler (Dendroica coronata) in breeding plumage, perched on branch, Seward Peninsula, Alaska, USA, May.
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Gerrit Vyn / Adult Red-necked Grebe (Podiceps grisegena) in breeding plumage, on water, Seward Peninsula, Alaska, USA, May.