Nick Upton / Female Eurasian beaver (Castor fiber) and five kits feeding on a Willow (Salix) sapling, River Otter, Devon, England, UK, July. Part of Devon Wildlife Trust's Devon Beaver Trial.
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Jussi Murtosaari / Garden warbler (Sylvia borin), catching flies in willow tree, Korpoo, Uto, Finland, May.
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Andres M. Dominguez / Bacteria (Lepthotryx discophora) causing iridescent patterns and White willow tree leaf (Salix alba) in river, Sierra de Grazalema Natural Park, southern Spain, November.
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Gerrit Vyn / Muskox (Ovibos moschatus) feeding on willows. North Slope, Alaska. September.
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Sven Zacek / Misty lake, with trees reflected in the water, and Willow (Salix) trees silhouetted on the shore, Suur Emajogi river, Tartumaa, Estonia, May 2014.
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Ernie Janes / Blue tit (Cyanistes caeruleus) hanging on Pussy willow branch, Norfolk, England, UK, April.
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Nick Upton / Eurasian beaver (Castor fiber) gnawing the trunk of a Willow tree (Salix sp.) in woodland enclosure at night. Devon Beaver Project, run by Devon Wildlife Trust, Devon, UK, April. Taken by a remote cam...
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Theo Bosboom / Reed and Willows (Salix sp) with hoarfrost, Weerribben-Wieden National Park, the Netherlands, December 2007
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Terry Whittaker / 2020VISION / Water vole (Arvicola amphibius / Arvicola terrestris) feeding amongst vegetation, Kent, England, UK, February. 2020VISION Exhibition. 2020VISION Book Plate. Did you know? The character 'Ratty' from Ke...
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Orsolya Haarberg / Flowering willows (Salix sp.) in midges (Chironomus islandicus) swarming. Mvatn, Iceland. June 2008
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Andy Sands / Blue tit (Parus caeruleus) perched among Pussy willows, West Sussex, England, UK
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Bernard Castelein / Goat willow (Salix caprea) in mist at dawn, full moon in sky. Klein Schietveld, Brasschaat, Belgium. August 2019.
