Peter Lewis / Common Cuckoo (Cuculus canorus) calling on rotten post Surrey, England, UK.
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Nigel Cattlin / Honey fungus (Armillaria mellea) rhizomorphs / fungal cords on dead core of rotten tree. Berkshire, England, UK. March.
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Nigel Cattlin / Giant polypore (Meripilus giganteus) at base of diseased Pedunculate oak (Quercus robur) tree. Berkshire, England, UK. August.
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John Shaw / Yellow-billed cardinal (Paroaria capitata). Pantanal, Brazil, September.
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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 / Aspen (Populus tremula) with Aspen trunk rot / False tinder conk mushroom (Phellinus tremulae). Trees with rotten cores provide ideal nest holes for the Siberian flying squirrel (Pteromys volans). Mur...
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Philippe Clement / Pine marten (Martes martes) hunting near a rotten tree trunk in a forest, Bavarian Forest National Park, Germany, October. Captive.
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Ashley Cooper / Rotten sea ice off the north coast of Svalbard, Norway. July 2013
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Ashley Cooper / Rotten sea ice off the north coast of Svalbard, Norway July 2013
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Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013
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Ashley Cooper / The Russian research vessel, AkademiK Sergey Vavilov an ice strengthened ship on an expedition cruise to Northern Svalbard, Norway, July 2013
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Ashley Cooper / Rotten sea ice off the north coast of Svalbard, Norway July 2013