Matthew Maran / Goat willow (Salix caprea) felled by a Eurasian beaver (Castor fiber). The riverside tree will resprout with new shoots supplying a source of food for the beavers for years to come. Devon, England, UK...
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Konrad Wothe / Tortoiseshell butterfly (Aglais urticae) on pussy willow (Salix caprea) flower, Bavaria, Germany, March.
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Phil Savoie / Goat Willow (Salix caprea), male catkins, Monmouthshire, Wales, UK, April.
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Phil Savoie / European honey bee (Apis mellifera) feeding on Goat willow (salix caprea) male flowers, Monmouthshire, Wales, UK, March.
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Phil Savoie / European honey bee (Apis mellifera) feeding on Goat willow (salix caprea) male flowers, Monmouthshire, Wales, UK, March.
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Phil Savoie / European honey bee (Apis mellifera) feeding on Goat willow (salix caprea) male flowers, Monmouthshire, Wales, UK, March.
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Phil Savoie / Garden bumblebee (Bombus hortorum) visiting Goat willow (Salix caprea) male catkins, Monmouthshire, Wales, UK. March.
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Phil Savoie / Garden bumblebee (Bombus hortorum) visiting Goat willow (Salix caprea) male catkins, Monmouthshire, Wales, UK. March.
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Russell Cooper / Honeybee (Apis mellifera) feeding from female Sallow / Goat willow catkin (Salix caprea) Southwest London, England, UK, March.
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Chris Mattison / Goat willow (Salix caprea) near Monyash, Peak District National Park, Derbyshire, England, UK, May.
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Rod Williams / Pussy willow catkins (Salix caprea) Sutcliffe Park Nature Reserve, Eltham, London. April.
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Ernie Janes / Goldfinch (Carduelis carduelis) on Pussy willow branch (Salix caprea) in spring, Norfolk, England, UK, April.