Nick Upton / Panning shot of a dam constructed by Eurasian beavers (Castor fiber) on a section of the River Otter, Devon, England, UK, June 2018.
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Nick Upton / Water spilling over a dam constructed by Eurasian beavers (Castor fiber) on the River Otter, Devon, England, UK, June 2018.
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Nick Upton / Dam constructed by Eurasian beavers (Castor fiber) on a section of the River Otter, Devon, England, UK, June 2018.
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Nick Upton / Dam of cut, gnawed logs and umbel stems built by Eurasian beavers (Castor fiber) on an upland section of the River Otter, England, UK, June.
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Nick Upton / Dam of cut, gnawed logs and umbel stems built by Eurasian beavers (Castor fiber) on an upland section of the River Otter, England, UK, June.
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Remi Masson / European beaver (Castor fiber) on his dam, by night. Remotely triggered by movement. River Ain, Alps, France
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Remi Masson / European beaver (Castor fiber) dam. River Ain, Alps, France
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Matthew Maran / Common chiffchaff (Phylloscopus collybita) using a beaver dam to hunt for insects, East Devon, England, UK, February.
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George Sanker / North American beaver (Castor canadensis) swimming carrying branch to build with. Acadia National Park, Maine, USA. May.
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Suzi Eszterhas / American Beaver (Castor canadensis) parent and eight-week-old kit on dam in urban creek, Martinez, California
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Suzi Eszterhas / American Beaver (Castor canadensis) feeding on Willow (Salix sp) on dam in urban creek, Martinez, California
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Michel Roggo / North American Beaver (Castor canadensis) dam, Northern Rockies, Muskwa-Kechika Protected Area, British Columbia, Canada, July 2011. Photographed for The Freshwater Project
