Neil Challis / Crimson-tailed marsh skimmer dragonfly (Orthetrum pruinosum) eating a bee on perch, Central Thailand, September.
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Marie Read / American bittern (Botaurus lentiginosus) calling / booming in a cattail marsh to mark territory, Salt Alkaline Lake, Kidder County, North Dakota, USA, June.
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John Waters / Golden plover (Pluvialis apricaria) flock taking off and flying over saltmarsh, Steart Marshes WWT Reserve, Somerset, UK, November.
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John Chan / Elegant terns (Thalasseus elegans) gathering at mussel bed during breeding season, one hovering tern has a mussel clamped to its foot, a common mishap caused by stepping on an open mussel, Bolsa Chica...
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John Chan / American avocets (Recurvirostra americana) foraging in a tidal basin, Bolsa Chica Ecological Reserve, Southern California, USA, October.
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John Chan / American white pelicans (Pelecanus erythrorhynchos) foraging in tidal basin at sunset, Bolsa Chica Ecological Reserve, Southern California, USA, September.
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John Chan / Group of Brent geese (Branta bernicla) foraging in Eelgrass (Zostera marina) bed, Bolsa Chica Ecological Reserve, Southern California, USA, March.
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Bence Mate / Bittern (Botaurus stellaris) with marsh frog (Rana ridibundus) that has just woken up from hibernation, Kiskunsag National Park, Hungary. Honoured in the Montier Photo Awards 2020.
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Oscar Dewhurst / Western marsh harrier (Circus aeruginosus) being mobbed by black-headed gulls (Chroicocephalus ridibundus) as it takes off with chick. Suffolk, England, UK. June
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Eric Medard / Hen harrier (Circus cyaneus) flying / hovering in the rain, Mayenne, France. April.
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Nick Upton / Marsh harrier (Circus aeruginosus) female hunting among a panicked flock of Common teal (Anas crecca) in flight over marshland, RSPB Greylake Nature Reserve, Somerset, UK, December.
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Jack Dykinga / Yellow-headed blackbird (Xanthocephalus xanthocephalus) flock murmuration as they take off from the marsh at dawn, Whitewater Draw, Arizona State Game and Fish Reserve, USA. January.
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Jack Dykinga / Leafless Cottonwood trees (Populus sp.) and cattails reflected in the water at dawn, Whitewater Draw, Arizona State Game and Fish Reserve, USA. January 2020.
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John Chan / Flock of Western sandpipers (Calidris mauri) taking flight from salt marsh, Southern California, USA.
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John Chan / American avocet (Recurvirostra americana) foraging in salt marsh, Southern California, USA.
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John Shaw / Sally lightfoot crabs (Grapsus grapsus) on the beach at Puerto Egas, Santiago Island, Galapagos, May.
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Marie Read / American avocets (Recurvirostra americana) two during aggressive (territorial) encounter, Bear River Migratory Bird Refuge, Utah, USA, May.
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Marie Read / Red-winged Blackbird (Agelaius phoeniceus) male displaying in cattail marsh, Viera Wetlands, Brevard County, Florida, USA, January.
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John Waters / Large murmuration of Common starlings (Sturnus vulgaris) swirling over reedbed roost at sunset, Ham Wall RSPB Reserve, Somerset, England, UK, January.
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John Waters / Large flock of Common starlings (Sturnus vulgaris) swirling over reedbed roost at dusk, Ham Wall RSPB Reserve, Somerset, England, UK, November.
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John Waters / Large flock of Common starlings (Sturnus vulgaris) swirling over reedbed roost at dusk, Ham Wall RSPB Reserve, Somerset, England, UK, November.
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Konrad Wothe / Gladiolus (Gladiolus palustris) flowering with meadow brown butterfly (Maniola jurtina), Upper Bavaria, Germany.
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Michael Hutchinson / Marsh fritillary butterfly (Euphydryas aurinia) flying and landing on a Buttercup (Ranunculus), Devon, England, UK, June.
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Michael Hutchinson / Pair of Marsh fritillary butterflies (Euphydryas aurinia) courting on a Buttercup (Ranunculus), Devon, England, UK, June.
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Michael Hutchinson / Pair of Marsh fritillary butterflies (Euphydryas aurinia) courting on a Buttercup (Ranunculus), Devon, England, UK, June.
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Michael Hutchinson / Marsh fritillary butterfly (Euphydryas aurinia) nectaring from a Buttercup (Ranunculus) before taking off, Devon, England, UK, June.
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Michael Hutchinson / Pair of Marsh fritillary butterflies (Euphydryas aurinia) mating, Devon, England, UK, June.
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Michael Hutchinson / Close-up of a pair of Marsh fritillary butterflies (Euphydryas aurinia) mating, showing tips of abdomens, Devon, England, UK, June.
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Michael Hutchinson / Close-up of a pair of Marsh fritillary butterflies (Euphydryas aurinia) mating, shot tilt downs, Devon, England, UK, June.
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Michael Hutchinson / Male Marsh fritillary butterfly (Euphydryas aurinia) displaying to a female on a Buttercup (Ranunculus) flower, Devon, England, UK, June.
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Guy Edwardes / Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Wetlands, Bulgaria
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Guy Edwardes / Marsh Frog (Pelophylax ridibundus) vocalising with bokeh effect in the background, Danube Wetlands, Bulgaria
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Paul Hobson / Marsh fritillary (Euphydryas aurinia), group feeding on Marsh thistle (Cirsium palustre). Lincolnshire, England, UK.
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Franco Banfi / Freshwater turtle (Trachemys scripta venusta) swimming amongst Water lilies leaves, Gran Cenote, near Tulum, Quintana Roo, Yucatan Peninsula, Mexico.
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Andy Rouse / Sally lightfoot crab, (Grapsus grapsus), feeding on marine iguana parasites and dead skin, Galapagos
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Bernard Castelein / Bulrush (Typha latifolia) Klein Schietveld, Brasschaat, Belgium
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Bernard Castelein / Trees reflected in marshland, Peerdsbos, Brasschaat, Belgium
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Ross Hoddinott / Marsh fritillary butterfly (Euphydrayas aurinia) resting on sedge, Dunsdon Nature Reserve, near Holsworthy, Devon, UK. June 18.
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Guy Edwardes / Saltmarsh. Isle of Harris, Scotland, UK. March, 2015.
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Guy Edwardes / Saltmarsh on the Isle of Harris, Outer Hebrides, Scotland, UK. November 2016.
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Dave Bevan / Grey plover (Pluvialis squatarola) eating a marine flatworm, Norfolk, England, UK, February.
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Alex Mustard / Suwanee freshwater turtle (Pseudemys concinna suwanniensis) swimming beneath trees in a freshwater spring. Devil Spring, Ginnie Springs, High Springs, Florida, USA
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Dave Bevan / Bittern (Botaurus stellaris) hunting and catching a fish, Suffolk, England, UK, October.
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John Waters / Mixed flock of Wigeon (Anas penelope) and Northern lapwings (Vanellus vanellus) disturbed by hunting Marsh Harrier (Circus aeruginosus), Greylake RSPB Reserve, Somerset Levels, England, UK, December.
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John Waters / Slow motion clip of a flock of Northern lapwings (Vanellus vanellus) flying over a flooded marsh, Catcott Lows Nature Reserve, Somerset Levels, England, UK, December.
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Brian Bevan / Pair of Reed warblers (Acrocephalus scirpaceus) feeding young at nest, Bedfordshire, England, UK, July.
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Ross Hoddinott / Marsh fritillaries (Euphydryas aurinia) resting on spotted heath orchid (Dactylorhiza maculata), Dunsdon, near Holsworthy, Devon, UK. June 2016.
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Ross Hoddinott / Common spotted orchids (Dactylorhiza fuchsii), backlit, Volehouse nature reserve, Devon, UK, June 2017.