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.

Juan Manuel Borrero / Illustration of Purple Gallinule (Porphyrio porphyrio). Pencil and watercolor painting.

Andrew Walmsley / Pukeko (Porphyrio porphyrio melanotus) pair mating. Christchurch, New Zealand, October. Sequence 3 of 3.

Andrew Walmsley / Pukeko (Porphyrio porphyrio melanotus) pair mating. Christchurch, New Zealand, October. Sequence 2 of 3.

Andrew Walmsley / Pukeko (Porphyrio porphyrio melanotus) pair mating. Christchurch, New Zealand, October. Sequence 1 of 3.

Andrew Walmsley / Pukeko (Porphyrio porphyrio melanotus) attempting to mate. Christchurch, New Zealand, October.

Andrew Walmsley / Pukeko (Porphyrio porphyrio melanotus). Christchurch, New Zealand, October.

Loic Poidevin / Common Moorhen (Gallinula chloropus) foraging in water. Breton marsh, west France, September.