Alan Williams / View looking west from the summit of Conwy Mountain, with Alltwen Mountain above the farm and Penmaenmawr Mountain in the distance, North Wales, UK, August 2017.
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Dave Bevan / Small flock of Canada geese (Branta canadensis) preening on a sandbank at low tide, Conwy Estuary, Wales, UK, June.
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Adrian Davies / Map Lichen (Rhizocarpon geographicum) on grave stone, Capel Curig, Snowdonia, north Wales, October.
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Adrian Davies / Map Lichen (Rhizocarpon geographicum) on grave stone, Capel Curig, Snowdonia, north Wales, October.
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Graham Eaton / Atlantic Salmon (Salmo salar) jumping up a waterfall, River Lledr, Betws-y-Coed, Conwy, Wales, October.
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Graham Eaton / Two Atlantic salmon (Salmo salar) jumping up a waterfall on migration, River Lledr, Betws-y-Coed, Conwy, Wales, October.
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Alex Hyde / Lugworm (Arenicola maritima) feeding depression on sandy shore at low tide, Colwyn Bay, Wales, UK. May.
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Alex Hyde / Sand Mason Worms (Lanice conchilega) tube in sand on beach, Colwyn Bay, Wales, UK. May.
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Alex Hyde / Sand Mason Worms (Lanice conchilega) tube in sand on beach, Colwyn Bay, Wales, UK. May.
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Alex Hyde / Ice Cream Cone Worm (Pectinaria koreni) sand casings, Colwyn Bay, Wales, UK. May.
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Alex Hyde / Lugworm (Arenicola maritima) cast and feeding depression on sandy shore at low tide, Colwyn Bay, Wales, UK. May.
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Alex Hyde / Razor Shell (Ensis siliqua), Colwyn Bay, Wales, UK. May.