Nick Upton / Common yellow sedge (Carex viridula subsp. oedocarpa) in damp culm grassland, Devon. UK, June.

Nick Upton / 4 year Common / Eurasian crane (Grus grus) Monty, released by the Great Crane Project in 2010, chasing away a Little egret (Egretta garzetta) who had apprached too close to his nest site in a sedge ma...

Nick Upton / Common / Eurasian crane chick (Grus grus) aged two days, swallowing a Leatherjacket (Tipulidae) given to it by its mother, 'Chris' age four years, released by the Great Crane Project, as father 'Monty...

Stephen Dalton / Neglected woodland after many years of Fallow deer (Dama dama) damage resulting in a monoculture of Pendulous Sedge (Carex pendula), Sussex, England, UK, April.

Nick Upton / Glaucous Sedge (Carex flacca) with taller male and shorter female flowering spikes on chalk grassland, Wiltshire, UK, May.

David Pike / Pendulous sedge (Carex pendula) in flower, Stoke Woods, Devon. June.

Ewan Flynn / Aquatic warbler (Acrocephalus paludicola) perched among Sedge (Carex sp.) singing, Biebrza marshes, Poland. May.

Ewan Flynn / Aquatic warbler (Acrocephalus paludicola) perched on reed stalk among Sedge (Carex sp.) singing, Biebrza marshes, Poland. May.

Ewan Flynn / Aquatic warbler (Acrocephalus paludicola) perched on reed stalk among Sedge (Carex sp.) singing, Biebrza marshes, Poland. May.

Danny Green / Grizzly bears (Ursus arctos) female with cub, feeding on Sedge (Carex sp.) grass, Lake Clark National Park, Alaska, USA. July.

Danny Green / Grizzly bear (Ursus arctos) feeding on Sedge (Carex sp.) grass, Lake Clark National Park, Silver Salmon, Alaska, USA. July.

Linda Pitkin / Greater pond sedge (Carex riparia) in flower. Nutfield Marsh Nature Reserve, Surrey, UK. June.