Tui De Roy / Stewart Island Brown Kiwi or Southern Tokoeka (Apteryx australis lawryi), female probing by scent for sand hoppers in rotting kelp beach wrack at night, Ocean Beach, Stewart Island, New Zealand

Mike Wilkes / Snipe (Gallinago gallinago) probing for worms, Warwickshire, UK, February

Nick Upton / Rook (Corvus frugilegus) with leatherjacket (Tipulidae) extracted from the ground by probing coastal grassland with its beak, Cornwall, UK, April.

Nick Upton / Common snipe (Gallinago gallinago) probing for food, Gloucestershire, England, UK, October.

Nick Upton / Group of Black-tailed godwits (Limosa limosa) probing for invertebrates, Gloucestershire, November, UK.

Nick Upton / Black-tailed godwit (Limosa limosa) probing for invertebrates, Gloucestershire, November, UK.

Nick Upton / Black-tailed godwit (Limosa limosa) in summer plumage with small Leech (Hirudinea) it has caught while probing for invertebrate food in shallow freshwater lake, Gloucestershire, UK, June.

Nick Upton / Black-tailed godwit (Limosa limosa) in summer plumage probing for invertebrate food in shallow freshwater lake, Gloucestershire, UK, June.

Nick Upton / Common snipe (Gallinago gallinago) probing mud for invertebrate food on a lake margin, Gloucestershire, UK, January.

Lynn M. Stone / Sanderling (Calidris alba) foraging on beach. Indian Shores, Pinellas County, Florida, USA.

John Waters / Snipe (Gallinago gallinago) probing for food near resting Teal (Anas crecca), Greylake RSPB Reserve, Somerset Levels, England, UK, February.

Laurie Campbell / Woodcock (Scolopax rusticola) probing for invertebrate prey in marsh in wintry conditions, Berwickshire, Scotland, January