David Pattyn / Shelduck (Tadorna tadorna) male trying to grab a female to mate with her. The Netherlands. April.

David Pattyn / Shelduck (Tadorna tadorna) portrait. The Netherlands. April.

Ben Hall / Shelducks (Tadorna tadorna) pair in flight at dusk, Lancashire, UK

Terry Whittaker / 2020VISION / Avocet (Recurvirostra avosetta) trying to drive Shelduck (Tadorna tadorna) pair away from breeding grounds, Oare marshes, RSPB Greater Thames Futurescapes Project, North Kent, UK, June

Terry Whittaker / 2020VISION / Sun rising at dawn with silhouette of Shelduck (Tadorna tadorna) in flight, Elmley RSPB Reserve, Kent, UK, April

Peter Cairns / 2020VISION / Sunrise over coastal mudflats with Shelduck feeding (Tadorna tadorna), Campfield Marsh RSPB reserve, Bowness, Solway Firth, Cumbria, UK, April 2011

Mark Carwardine / Common shelduck (Tadorna tadorna) ducklings huddled together, Slimbridge, Gloucestershire, UK, June

Markus Varesvuo / Shelduck (Tadorna tadorna) male head portrait, Finland, April

David Woodfall / Shelduck (Tadorna tadorna) moulting birds at high tide roost, Bridgewater Bay NNR, Severn estuary This is a nationally significant site for this species, Somerset, England, August 2009

Wild Wonders of Europe / Lesniewski / Ruddy shelduck (Tadorna ferruginea) in a dried out stream, Bagerova Steppe, Kerch Peninsula, Crimea, Ukraine, July 2009

Wild Wonders of Europe / Lesniewski / Ruddy shelduck (Tadorna ferruginea) preening, Bagerova Steppe, Kerch Peninsula, Crimea, Ukraine, July 2009

David Tipling / Male Shelduck (Tadorna tadorna) in flight, Gloucestershire, UK