David Woodfall / Regeneration of a Birch (Betula pendula, B. pubescens) Forest in autumn, Alladale Wilderness Reserve, Scotland, thanks to rewilding efforts. October 2016.
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Nick Upton / Horse's hoof / Tinder fungus (Fomes fomentarius) growing on a rotten Downy birch (Betula pubescens) tree trunk which a woodpecker has drilled a hole into, Muraka Forest reserve, Estonia, April
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Nick Upton / Mixed wet woodland including Aspen (Populus tremula) and Downy birch (Betula pubescens). Inhabited by rare surviving Siberian flying squirrel (Pteromys volans) population. Near Lisaku, Estonia. April...
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Nick Upton / Mixed wet woodland including Aspen (Populus tremula) and Downy birch (Betula pubescens). Inhabited by rare surviving Siberian flying squirrel (Pteromys volans) population. Near Lisaku, Estonia. April...
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Nick Upton / Downy birch (Betula pubescens) trees in mixed woodland, the tree on the left houses a Siberian flying squirrel (Pteromys volans) nest hole. Near Lisaku, Estonia. April.
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Nick Upton / Mixed wet woodland including Aspen (Populus tremula) and Downy birch (Betula pubescens). Inhabited by a surviving population of Siberian flying squirrel (Pteromys volans). Near Lisaku, Estonia. April...
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Nick Upton / Siberian flying squirrel (Pteromys volans) entering nest hole in Downy birch (Betula pubescens) tree trunk. Mature mixed forest, near Lisaku, Ida Virumaa, Estonia. April.
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Staffan Widstrand / Waterfall through Mountain birch (Betula pubescens tortuosa) zone in autumn. Dovrefjell National Park, Norway. September 2018.
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Staffan Widstrand / River through Mountain birch (Betula pubescens tortuosa) zone in autumn. Dovrefjell National Park, Norway. September 2018.
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Andy Sands / Downy birch (Betula pubescens) left standing among 2nd year coppice re-growth, an ancient woodland indicator species in UK, Suffolk, England, UK, May
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Erlend Haarberg / Yellow-coloured Mountain birch (Betula pubescens) forest with snow-covered mountain tops in the background. Rondane National Park, Norway. September.
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Erlend Haarberg / Moose (Alces alces) male in Mountain birch (Betula pubescens) forest in autumn. Fjell, Norway. September.