Marie Read / American oystercatcher (Haematopus palliatus) adult feeding chick, Long Island, New York, USA. June.

Agustin Esmoris / American Oystercatcher (Haematopus palliatus) parent with chick, Chubut, Argentina

David Perpinan / Oystercatcher (Haematopus ostralegus) incubating eggs on nest, alarm calling as a predator flies overhead, Scotland,UK, June.

Ingo Arndt / Oystercatcher (Heamatopus ostralegus), Germany

Rob Drummond/ BIA / Pied Oystercatcher (Haematopus longirostris), Victoria, Australia

Greg Oakley / Sooty Oystercatcher (Haematopus fuliginosus), Victoria, Australia

David Tipling / 2020VISION / Oystercatchers (Haematopus ostralegus) moving in front of incoming tide, The Wash estuary, Norfolk, England, UK, January.

Ernie Janes / Oystercatcher (Haematopus ostralegus) footprints on sand at low tide, Norfolk, England, UK, November.

Jan Wegener / American Oystercatcher (Haematopus palliatus), Florida

Ernie Janes / Oyster Catcher (Haematopus ostralegus) in tulip (Tulipa) field, North Norfolk, May 2013

Laurent Geslin / Oystercatchers on beach, viewed from above {Haematus ostralegus} Cornwall, England

Fergus Gill / 2020VISION / Oystercatcher (Haematopus ostralegus) on machair grassland, Outer Hebrides, Scotland, UK, June.