John Waters / Pull focus shot from a Willow tree (Salix) to a group of Common starlings (Sturnus vulgaris) flying in the background, Ham Wall RSPB Reserve, Somerset, England, UK, January.
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Staffan Widstrand / Wild Wonders of China / Fireweed, or Rosebay Willow-herb (Chamerion angustifolium) San He District Forest, near Yichun city, Heilongjiang Province, China
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David Woodfall / Purple emperor butterfly (Apatura iris) male on Goat willow (Salix caprea). Knepp Wildland Project, formerly intensive farmland now turned to conservation and sustainable farming. Horsham, West Sussex...
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Paul Harcourt Davies / Dodonaeus' willow herb (Chamerion dodonaei) in flower, Mount Terminillo near Terni, Italy, September.
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Paul Hobson / Red grouse (Lagopus lagopus scotica) in heather, Peak District, Derbyshire, UK, August.
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Andrew Cooper / Golden Ringed Dragonfly (Cordulegaster boltonii) on Rosebay Willow Herb (Epilobium). Devon, UK, July.
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Andrew Cooper / Golden Ringed Dragonfly (Cordulegaster boltonii) on Rosebay Willow Herb (Epilobium). Devon, UK, July.
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Stephen Dalton / Greater willow herb (Epilibium hirsutum) UK
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Gary K Smith New / Red grouse (Lagopus lagopus scotica) among flowering Heather (Calluna vulgaris), North York Moors National Park, North Yorkshire, England, UK. June.
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Roland Seitre / Willow ptarmigan (Lagopus lagopus) summer plumage, standing among purple flowers, Canada.
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Paul Harcourt Davies / Dodonaeus' willow herb (Epilobium dodonae) in flower on mountainside, Mount Vettore, Umbria, Italy. September.
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Will Watson / Purple willow (Salix purpurea) male catkins, Kenchester Pools, Herefordshire, England, UK. March. Focus stacked.