Mike Read / Alder (Alnus glutinosa) catkins, Testwood Lakes Reserve, Hampshire and Isle of Wight Wildlife Trust Reserve Southampton, Hampshire, England, UK, February 2016.
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Mike Read / Alder (Alnus glutinosa) catkins, Testwood Lakes Reserve, Hampshire and Isle of Wight Wildlife Trust Reserve, Southampton, Hampshire, England, UK. February 2016.
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Lorraine Bennery / Dusky birch sawfly (Croesus septentrionalis) eating Alder leaves (Alnus glutinosa), Loire river, France, September.
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Lorraine Bennery / Dusky birch sawfly (Croesus septentrionalis) eating Alder leaves (Alnus glutinosa), Loire river, France, September.
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Lorraine Bennery / Dusky birch sawfly (Croesus septentrionalis) eating Alder leaves (Alnus glutinosa), Loire river, France, September.
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Lorraine Bennery / Dusky birch sawfly (Croesus septentrionalis) eating Alder leaves (Alnus glutinosa), Loire river, France, September.
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SCOTLAND: The Big Picture / Alder (Alnus glutinosa) tree felled by Eurasian beaver (Castor fiber), Knapdale Forest, Argyll, Scotland, UK, June 2016.
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SCOTLAND: The Big Picture / Alder (Alnus glutinosa) tree felled by Eurasian beaver (Castor fiber), Knapdale Forest, Argyll, Scotland, UK, June 2016.
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SCOTLAND: The Big Picture / Alder (Alnus glutinosa) tree felled by Eurasian beaver (Castor fiber), Knapdale Forest, Argyll, Scotland, UK, June 2016.
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SCOTLAND: The Big Picture / Mixed birch and alder woodland, Insh Wood, Cairngorms National Park, Scotland, UK, March.
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SCOTLAND: The Big Picture / Birch (Betula pendula) and Alder (Alnus glutinosa) woodland submerged under flood plain overflow, River Spey, Cairngorms National Park, Scotland, UK, December 2013.
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Martin Gabriel / Black alder (Alnus glutinosa) swamp forest, Lake Neusiedl, Hungary