Ingo Arndt / Common Moorhen (Gallinula chloropus) nest from Germany in collection at Uebersee-Museum, Bremen, Germany.

Ingo Arndt / Common Moorhen (Gallinula chloropus) nest from Germany in collection at Uebersee-Museum, Bremen, Germany.

Ole Jorgen Liodden / Common moorhen (Gallinula chloropus) perched on branch, Lake Naivasha, Kenya.

Bertie Gregory / 2020VISION / Moorhen (Gallinula chloropus) running on a frozen lagoon, Brownsea Island, Dorset, England, UK, December

Andrew Parkinson / 2020VISION / Moorhen (Gallinula chloropus) adult walking on frozen lake at dusk, backlit, Derbyshire, UK, February

Mike Wilkes / Moorhen {Gallinula chloropus} tracks in snow, UK

Dietmar Nill / Moorhen (Gallinula chloropus) two fighting, Germany

Rolf Nussbaumer / Common Moorhen {Gallinula chloropus} hen with Yellow Water Lillies, Welder Wildlife Refuge, Sinton, Texas, USA.

Ernie Janes / Moorhen (Gallinula chloropus) feeding in river Norfolk, England, UK. April.

Pedro Narra / Moorhen (Gallinula chloropus) walking, Sado Estuary, Portugal. December

Pedro Narra / Moorhen (Gallinula chloropus) on water, Sado Estuary, Portugal. March

Pedro Narra / Moorhen (Gallinula chloropus) walking in shallow water, Sado Estuary, Portugal. December