Nick Upton / Eurasian beaver (Castor fiber) feeding on grass amongst Meadow buttercups (Ranunculus acris) near a pond in a large enclosure, Devon, England, UK, June. Captive.
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Sandra Bartocha / Common Water-Crowfoot (Ranunculus aquatilis) with reflections in water, June
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Sandra Bartocha / Common Water-Crowfoot (Ranunculus aquatilis) June
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Inaki Relanzon / Rocks at water edge with reflection and Water crowfoot (Ranunculus peltatus) flowering, National Park Los Barruecos, Malpartida de Caceres, Spain, March 2011
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Michel Roggo / Underwater landscape with River water-crowfoot (Ranunculus fluitans) Rhine river, Switzerland, June
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Wild Wonders of Europe / della Ferrera / Flowering Thread-leaved water-crowfoot (Ranunculus trichophyllus) plants in the middle of a season river, Northern part of the Livanjsko Polje (karst plateau) Zdralovac area, Bosnia and Herzegovina, M...
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Nick Hawkins / Northern red sea anemones (Urticina felina) off Bonaventure Island, Gulf of Saint Lawrence, Quebec, Canada. September.
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Marie Read / Eared grebe (Podiceps nigricollis), adult in breeding plumage, swimming amidst Water crowfoot flowers, (Ranunculus aquatilis) flowers, Benton Lake National Wildlife Refuge, Montana, USA, July.
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Michael Hutchinson / Marsh fritillary butterfly (Euphydryas aurinia) nectaring from a Buttercup (Ranunculus) before taking off, Devon, England, UK, June.
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Konrad Wothe / Slow motion clip of a male Banded demoiselle (Calopteryx splendens) on River water-crowfoot (Ranunculus fluitans), Bavaria, Germany, June.
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Sue Daly / Lesser celendines (Ficaria verna), Sark, British Channel islands, April.
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Loic Poidevin / Black-winged stilt (Himanthopus himanthopus) in water with Common water-crowfoot (Ranunculus aquatilis) flowers, Vendeen Marsh, France, April