Remi Masson / European beaver (Castor fiber) swimming under submerged branches outside of its lodge, knocks into camera, River Rhone, Rhone-Alpes, France, July.
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Remi Masson / European beaver (Castor fiber) returning to its lodge, River Rhone, Rhone-Alpes, France, June.
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Remi Masson / Group of Wels catfish (Silurus glanis) swimming in the River Rhone, with one swimming into the camera, France, July.
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Remi Masson / Group of Wels catfish (Silurus glanis) swimming in the River Rhone, France, June.
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Remi Masson / Albino Wels catfish (Silurus glanis) swimming in the River Rhone, France, November.
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Remi Masson / European beaver (Castor fiber) entering lodge, River Rhone, Rhone-Alpes, France, June.
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Remi Masson / European beaver (Castor fiber) swimming at the surface, seen from underwater. River Rhone, Rhone-Alpes, France, June.
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Remi Masson / Eurasian beaver (Castor fiber) swimming underwater amongst aquatic plants, River Rhone, Rhone-Alpes, France, June.
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Remi Masson / Wels catfish (Silurus glanis) hiding between two rocks, approaching with curiosity and sensing with barbels, River Rhone, Rhone-Alpes, France, November.
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Remi Masson / Wels catfish (Silurus glanis) swimming, curious about camera, River Rhone, Rhone-Alpes, France, November.
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Remi Masson / Tracking shot of a Eurasian beaver (Castor fiber) swimming underwater, River Rhone, Rhone-Alpes, France, June.
