Andrew Parkinson / Knot (Calidris canutus) adult foraging in the coastal shallows, Shetland Islands, Scotland, UK, September.
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Andrew Parkinson / Knot (Calidris canutus) tens of thousands flock as one as they fly to a high tide roost, The Wash, Norfolk, UK, September.
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Andrew Parkinson / Knot (Calidris canutus) flock of thousands turn in the air together prior to landing, The Wash, Norfolk, UK, November.
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Andrew Parkinson / Large flock of Knot (Calidris canutus) in flight at dawn, The Wash, Norfolk, UK, November.
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Robert Thompson / Grey shoulder knot moth (Lithophane ornitopus) camouflaged on rock, Argory Moss, Derrycaw, County Armagh, Northern Ireland, UK, April
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Robert Thompson / Grey shoulder knot moth (Lithophane ornitopus) camouflaged on rock, Argory Moss, Derrycaw, County Armagh, Northern Ireland, UK, April
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Ernie Janes / Knot (Caldris canutus) feeding on shore, The Wash, Norfolk, UK
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Ernie Janes / Knot garden at Waterperry House, Oxfordshire, UK
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Ernie Janes / Knot (Caldris canutus) large flock in flight, The Wash, Norfolk, UK, September
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Ernie Janes / RF- Knot (Calidris canutus) large flock in flight, The Wash, Norfolk, UK, October. (This image may be licensed either as rights managed or royalty free.)
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Ernie Janes / Knot (Caldris canutus) large flock in flight, The Wash, Norfolk, UK
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Joe Cornish / 2020VISION / Old wooden post detail, Coigach nature reserve, Coigach / Assynt SWT, Highlands, Scotland, UK, June
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Joe Cornish / 2020VISION / Old wooden post detail, Coigach nature reserve, Coigach / Assynt SWT, Highlands, Scotland, UK, June
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Joe Cornish / 2020VISION / Old wooden post detail, Coigach nature reserve, Coigach / Assynt SWT, Highlands, Scotland, UK, June
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Rolf Nussbaumer / Red Knot (Calidris canutus), adult running, Port Aransas, Mustang Island, Texas Coast, USA, September.
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Rolf Nussbaumer / Red Knot (Calidris canutus), adults in shallow water. Port Aransas, Mustang Island, Texas Coast, USA, September.
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Jeff Wilson / Red knot (Calidris canutus) on tundra, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for the BBC series, Frozen Planet.
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Markus Varesvuo / Knot (Calidris canutus) juvenile foraging among seaweed and splashing waves. Uta, Finland August. Magic Moments book plate, page 69.
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Andy Sands / Knot (Calidris canutus) foraging in shallow waters. Norfolk, UK, December.
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Chris Gomersall / 2020VISION / Roosting flock of Red knot (Calidris canutus) long exposure, winter plumage, Snettisham RSPB reserve, Norfolk, England, UK, October
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Chris Gomersall / 2020VISION / Roosting flock of Red knot (Calidris canutus), some in flight, winter plumage, Snettisham RSPB reserve, Norfolk, England, UK, November
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Chris Gomersall / 2020VISION / Roosting flock of Red knot (Calidris canutus) long exposure, winter plumage, Snettisham RSPB reserve, Norfolk, England, UK, October
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Chris Gomersall / 2020VISION / Roosting flock of Red knot (Calidris canutus) long exposure, winter plumage, Snettisham RSPB reserve, Norfolk, England, UK, October
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Markus Varesvuo / Knot (Calidris canutus) preeing, Finland, August
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Markus Varesvuo / Knot (Calidris canutus) juvenile walking along shoreline, Finland, August
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Alan Williams / Knot (Calidris canutus) flock in flight over Dee Estuary with the North Wales coast in background. UK, December 2010.
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Alan Williams / Wader flocks mainly Knot (Calidris canutus) in flight over Liverpool Bay with frozen shore in foreground and the North Wales coast in background. UK, December 2010.
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Alan Williams / Knots (Calidris canutus) feeding on muddy shore at low tide. Liverpool Bay, UK, December.
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Alan Williams / Knot (Calidris canutus) in winter plumage on muddy shore. Liverpool Bay, UK, December.
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Alan Williams / Knot (Calidris canutus) flock in flight over Dee Estuary with the North Wales coast in background. UK, December 2010.
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Alan Williams / A group of Knot (Calidris canutus) feeding on shore at low tide. A wind farm is visible on the horizon. Liverpool Bay, UK, December.
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Alan Williams / Knot (Calidris canutus) flock in flight over frozen shore. Liverpool Bay, UK, December 2010.
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Alan Williams / Knot (Calidris canutus) roosting on shore in winter plumage. Liverpool Bay, UK, December.
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Alan Williams / Knots (Calidris canutus) feeding on muddy shore at low tide. A wind farm is visible on the horizon. Liverpool Bay, UK, December.
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Alan Williams / Knot (Calidris canutus) flock roosting on shore. Liverpool Bay, UK, December.
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Alan Williams / Knots (Calidris canutus) feeding on muddy shore at low tide. Liverpool Bay, UK, December.
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Alan Williams / Large flock of Knot (Calidris canutus) taking flight from shore. Liverpool Bay, UK, December.
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Mark Hughes / California Quail (Callipepla californica) female and chick, Karori, Wellington, New Zealand
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Barrie Britton / Mixed shorebirds feeding on the eggs of Atlantic horseshoe crabs (Limulus polyphemus). Includes Red knot (Calidris canutus rufa), Ruddy turnstone (Arenaria interpres), Dunlin (Calidris alpina) and Sem...
01322979
Barrie Britton / Shorebirds feeding on the eggs of Atlantic Horseshoe Crabs (Limulus polyphemus). Includes Red knot (Calidris canutus rufa), Ruddy turnstone (Arenaria interpres), Dunlin (Calidris alpina) and Semipalma...
01322977
Barrie Britton / Red Knot (Calidris canutus rufa) feeding on the backs of Atlantic Horseshoe Crabs (Limulus polyphemus). Red knots' spring migration coincides with the spawning of the crabs. Mispillion Harbour Reserve...
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Barrie Britton / Shorebirds including Red knot (Calidris canutus rufa) feeding among spawning Atlantic Horseshoe Crabs (Limulus polyphemus). Mispillion Harbour Reserve, Delaware Bay, USA. Picture taken during filming...
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David Tipling / Dense flock of Knot (Calidris canutus) at high tide roost. Snettisham RSPB Reserve, The Wash, Norfolk, UK, February
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David Tipling / Oystercatcher (Haematopus ostralegus) among flock of roosting Knot (Calidris canutus). Snettisham RSPB Reserve, The Wash, Norfolk, February
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Kim Taylor / Slow-worm (Anguis fragilis) juvenile coiled up.
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Dave Bevan / Knot (Calidris canutus) walking on shingle, Norfolk, UK
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Alan Williams / Knot (Calidris canutus) in flight over water in winter plumage, Liverpool Bay, England, UK, March
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Alan Williams / Flock of Knot (Calidris canutus) in flight over water in winter plumage, Liverpool Bay, England, UK, March
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Hanne & Jens Eriksen / Great knot {Calidris tenuirostris} on breeding ground on tundra, Russia, July
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Tim Laman / Strangler fig (Ficus stupenda) roots wrapped around a giant diptocarp host tree and entering a knot hole in the host. Lowland rainforest, Gunung Palung National Park, Borneo, West Kalimantan, Indonesi...
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Stephen Dalton / True lover's knot moth (Lycophotia porphyrea) on heather, UK
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Gary K. Smith / Knot (Calidris canutus) in winter plumage, on shingle beach, Norfolk, England, February
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Ingo Arndt / Red Knot (Calidris canutus) flock during migration, Sylt Island, Germany
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Ingo Arndt / Red Knot (Calidris canutus) flock during migration, Sylt Island, Germany
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Ingo Arndt / Semipalmated Sandpiper (Calidris pusilla) and Red Knot (Calidris canutus) flock, Delaware Bay, Delaware
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Ingo Arndt / Semipalmated Sandpiper (Calidris pusilla) and Red Knot (Calidris canutus) flock, Delaware Bay, Delaware
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Ingo Arndt / Semipalmated Sandpiper (Calidris pusilla) and Red Knot (Calidris canutus) flock, Delaware Bay, Delaware
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Gerrit Vyn / Adult Red Knot (Calidris canutus) in breeding plumage near its nest. Seward Peninsula, Alaska, USA, June.
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Chris Gomersall / Flock of Red knot (Calidris canutus) in flight at high water on the Wash at sunset, Snettisham RSPB reserve Norfolk, March 2009
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Chris Gomersall / Red knot (Calidris canutus) on foreshore, Norfolk, England, October
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Tom Marshall / Red knot (Calidris canutus) in winter plumage feeding, Lake Ellesmere, Canterbury, New Zealand
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Robert Thompson / Blair's shoulder-knot moth {Lithophane leautieri hesperica} camouflaged on lichen, County Down, Northern Ireland, UK, November
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Laurie Campbell / Knot (Calidris canutus) feeding on tidal mudflat, Firth of Forth, Scotland, UK, March
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David Tipling / Large flock of Knot {Calidris canutus} arriving at high tide roost on island in gravel pit, Snettisham RSPB Reserve, Norfolk, UK, August 2006
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David Tipling / Large flock of Knot {Calidris canutus} at high tide roost, Snettisham RSPB Reserve, The Wash, Norfolk, UK, August
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David Tipling / Large flock of Knot {Calidris canutus} at high tide roost, Snettisham RSPB Reserve, The Wash, Norfolk, UK, August
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David Tipling / Large flock of Knot {Calidris canutus}, adults and juveniles, at high tide roost on island in gravel pit at Snettisham RSPB Reserve, Norfolk, UK, August
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David Tipling / Shelduck {Tadorna tadorna} standing in middle of high tide wader roost of Knot {Calidris canutus} and Dunlin {Calidris alpina} Snettisham RSPB reserve, The Wash, Norfolk, UK, August
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Andy Rouse / Knot (Calidris canutus islandica) flock in winter roost, Lancashire, UK
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David Tipling / Snettisham RSPB Reserve with large flock of Knot {Calidris canutus} swirling in flight at sunset over the Wash, Norfolk, UK, August 2006
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David Tipling / Large flock of Knot {Calidris canutus} swirling in flight over exposed mudflats of the Wash off Snettisham RSPB Reserve, Norfolk, UK, August
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David Tipling / Large flock of Knot {Calidris canutus} swirling in flight over exposed mudflats of the Wash off Snettisham RSPB Reserve, Norfolk, UK, August
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David Tipling / Large flock of Knot {Calidris canutus} swirling in flight over exposed mudflats of the Wash off Snettisham RSPB Reserve, Norfolk, UK, August
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Alan Williams / Knot (Calidris canutus) and Dunlin (Calidris alpina) massed flock landing at tide edge, winter plumage, Liverpool Bay, UK, November
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Alan Williams / Knot (Calidris canutus) and Black tailed godwit (Limosa limosa) flock in flight over marshes, Dee Estuary, UK, November
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Alan Williams / Knot (Calidris canutus) and Dunlin (Calidris alpina) mixed wader flock in flight with turbines from wind farm in background, Liverpool Bay, UK, January
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Alan Williams / Mixed flock of waders, Dunlin (Calidris alpina) Knot (Calidris canutus) and Oystercatchers (Haematopus ostralegus) in flight over sea, Liverpool Bay, UK, September
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Wild Wonders of Europe / Novák / Dunlin (Calidris alpina) Knot (Calidris canutus) and Oystercatchers (Haematopus ostralegus) in flight, Grossmorsum, Sylt, Germany, April 2009
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Wild Wonders of Europe / Novák / Dunlin (Calidris alpina) Knot (Calidris canutus) and Oystercatchers (Haematopus ostralegus) landing in shallow water, Grossmorsum, Sylt, Germany, April 2009
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Wild Wonders of Europe / Novák / Dunlin (Calidris alpina) Knot (Calidris canutus) and Oystercatchers (Haematopus ostralegus) in shallow water and flying, Grossmorsum, Sylt, Germany, April 2009
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Miles Barton / Mixed flock of Great knot {Calidris tenuirostris}, Grey tailed tattler (Tringa brevipes) and Oriental plover (Charadrius veredus) Broome, Western Australia
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Miles Barton / Mixed flock of Great knot {Calidris tenuirostris} and Grey tailed tattler (Tringa brevipes) Broome, Western Australia
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Alan Williams / Knot (Calidris canutus) feeding on muddy shore in winter plumage, Liverpool Bay, UK, November
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Alan Williams / Knot (Calidris canutus) running on mudflat at the edge of the ebbing tide in winter plumage, Liverpool Bay, UK, February
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Alan Williams / Knot (Calidris canutus) small flock in flight over shore in winter plumage, Liverpool Bay, UK, November
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Alan Williams / Knot (Calidris canutus) in winter plumage, Liverpool Bay, UK, January
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Alan Williams / Knot (Calidris canutus) on shore in winter plumage, Liverpool Bay, UK, November
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Alan Williams / Knot (Calidris canutus) flock in flight with wind turbines in the background, Liverpool Bay, UK, November
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Alan Williams / Knot (Calidris canutus) flock in flight at edge of receding tide with Oystercatchers in the foreground, Liverpool Bay, UK, November
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Alan Williams / Knot (Calidris canutus) walking on shore in winter plumage, Liverpool Bay, UK, November
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Alan Williams / Knot (Calidris canutus) roosting in tight packed flock on shore in winter plumage, Liverpool Bay, UK, November
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Alan Williams / Knot (Calidris canutus) flock in flight at sunset, Dee Estuary, Merseyside, UK, November
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Alan Williams / Knot (Calidris canutus) flock in flight in winter plumage, Liverpool Bay, UK, November