Colin Varndell / Freshly opened Hazel (Corylus avellana) foliage in spring, Backlit with morning sunlight, Dorset, UK, May
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Niall Benvie / Stream running through natural old Hazel (Corylus avellana) woodland, near Golspie, Sutherland, Scotland, UK, May 2009
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Colin Varndell / Hazel catkins (Corylus avellana) releasing pollen. Dorset, England, UK February
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Ross Hoddinott / Close-up of Hazel inflorescence (Corylus avellana) in spring, with both male catkins and female flower visible, near Bradworthy, Devon, UK. March 09.
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Kim Taylor / Hazel {Corylus avellana} leaf, in late summer, UK.
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Adrian Davies / Male Hazel (Corylus avellana) catkins shedding pollen onto female flower, March.
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David Woodfall / Hazel (Corylus avellana) leaves in spring, Gilfach Nature Reserve, Radnorshire Wildlife Trust, Powys, Wales, UK
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Philippe Clement / Hazel grouse (Tetrastes bonasia) eating male catkins from Common hazel (Corylus avellana) in the snow in early spring, captive, Bavarian Forest National Park, Germany, March
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Guy Edwardes / 2020VISION / New growth Hazel leaf (Corylus avellana) with dead one still attached to twig, New Forest, Hampshire, England, UK.
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Guy Edwardes / 2020VISION / Mass of Hazel Catkins (Corylus avellana). New Forest National Park, Hampshire, England, UK, March.
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Ross Hoddinott / Hazel catkins (Corylus avellana) backlit, close up, Broxwater, Cornwall, UK, February.
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Ross Hoddinott / Hazel catkins (Corylus avellana) backlit, Tamar Lake, Cornwall, UK, March.
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MYN / Niall Benvie / Hazel dormouse (Muscardinus avellanarius) climbing on Hazel (Corylus avellana) sapling, Scotland, UK, June meetyourneighbours.net project
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Laurie Campbell / Hazel (Corylus avellana) leaves in summer, Knapdale, Argyll, Scotland, August
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Laurie Campbell / Hazel (Corylus avellana) catkins Pease Dean Scottish Wildlife Trust Nature Reserve, Berwickshire, Scotland, March
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Colin Varndell / Hazel leaves (Corylus avellana) opening in spring, Dorset, UK, March
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Ross Hoddinott / Hazel (Corylus avellana) catkins releasing pollen. North Cornwall, UK, March.
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Niall Benvie / Hazel (Corylus avellana) foliage in autumn, Morvan regional park, France, November
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Stephen Dalton / Hazel (Corylus avellana) shrub with catkins. UK, February.
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Adrian Davies / Hazel grove (Corylus avellana) The Burren, County Clare, Republic of Ireland, June
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Adrian Davies / Hazel grove (Corylus avellana) The Burren, County Clare, Republic of Ireland, June
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Adrian Davies / Hazel (Corylus avellana) growing in gryke on limestone pavement, The Burren, County Clare, Republic of Ireland, June
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Toby Roxburgh / Man with chainsaw coppicing Hazel (Corylus avellana) tree to help improve biodiversity in the woodland, Wales, October 2009. Model released.
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Toby Roxburgh / Man with chainsaw coppicing Hazel (Corylus avellana) tree to help improve biodiversity in the woodland, Wales, October 2009. Model released.
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Toby Roxburgh / Coppiced Hazel (Corylus avellana) with main trunk cut at an angle to shed water and new growth left around perimeter, Wales, October 2009.
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Toby Roxburgh / Man with chainsaw coppicing Hazel (Corylus avellana) tree to help improve biodiversity in the woodland, Wales, October 2009. Model released.
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Colin Varndell / Hazel (Corylus avellana) catkins ripe with pollen. Dorset, UK February
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Colin Varndell / Close-up of Hazel (Corylus avellana) catkins (male) Dorset, UK March 2010
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Philippe Clement / Hazel branch (Corylus avellana) male catkins (left) and female inflorescence, Belgium
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Gary K. Smith / Wooden trug with Hazel (Corylus avellana) stick markers, garden twine, seeds & tools, England, UK, May
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Adrian Davies / Early Purple Orchid (Orchis mascula) in Hazel (Corylus avellana) coppiced woodland, Surrey, England. May
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Bryan and Cherry Alexander / Coppiced Hazel (Corylus avellana) under Oak standards (Quercus sp) on a frosty autumn morning. Piddles Wood, Dorset, England.
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Colin Varndell / Close up of Hazel (Corylus avellana) catkins. Dorset, UK
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Niall Benvie / Stream running through natural old Hazel (Corylus avellana)woodland, near Golspie, Sutherland, Scotland, UK, May 2009
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Niall Benvie / Stream running through of old Hazel (Corylus avellana)woodland, near Golspie, Sutherland, Scotland, UK, May 2009
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Colin Varndell / Close up of Hazel tree (Corylus avellana) buds in late winter. Dorset, England, UK
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Colin Varndell / Hazel nuts (Corylus avellana) Dorset, UK September
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Colin Varndell / Hazel leaf (Corylus avellana) UK, July
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Stephen Dalton / Hazel (Corylus avellana) catkins, UK
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Stephen Dalton / Protective netting around coppiced hazel ripped away by Fallow deer (Dama dama) Sussex, UK, August 2004
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Stephen Dalton / Hazel coppice protected by wood stacked in a circle, Bury St Edmonds, Suffolk, UK, November 2003
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Stephen Dalton / Netting around coppiced Hazel in effort to protect from Fallow deer (Dama dama) Sussex, UK, August 2004
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Ross Hoddinott / Close-up of Hazel catkins (Corylus avellana), male flowers, near Bradworthy, Devon, UK. March
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Adrian Davies / Hazel {Corylus avellanus} catkins in snow. Surrey, UK, February 2009
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Philippe Clement / Hazel leaf and catkins (Corylus avellana), Belgium
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Philippe Clement / Hazelnuts (Corylus avellana), Belgium
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Philippe Clement / Hazelnuts (Corylus avellana) eaten by wood mouse, Belgium
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Philippe Clement / Hazelnuts (Corylus avellana), Belgium
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Philippe Clement / Hazelnuts (Corylus avellana), Belgium
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Philippe Clement / Hazelnuts (Corylus avellana), Belgium
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Philippe Clement / Hazelnuts (Corylus avellana), Belgium
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Philippe Clement / Hazel leaf and catkins (Corylus avellana), Belgium