SCOTLAND: The Big Picture / Beaver (castor fiber) dam on river and chewed logs, Bamff Estate, Perthshire, Scotland, UK.
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SCOTLAND: The Big Picture / Tree guard, in place to protect tree saplings, from Beaver (Castor fiber) activity, Bamff Estate, Pertshire, Scotland, UK.
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Sergio Hanquet / Sperm whale (Physeter macrocephalus) head and part of body, decomposing carcass adrift in the ocean, showing shark bites, and possible damage from a boat, Tenerife, Canary Islands, Atlantic Ocean.
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Sergio Hanquet / Sperm whale (Physeter macrocephalus) head and part of body, decomposing carcass adrift in the ocean, showing shark bites, and possible damage from a boat, Tenerife, Canary Islands, Atlantic Ocean.
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Alex Hyde / Detial of mollusc grazing marks on cap of Fly Agaric (Amanita muscaria). Aigas Field Centre, Highlands, Scotland, UK. October.
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Alex Hyde / Gnaw marks on Downy Birch (Betula pubescens) felled by a Eurasian beaver (Castor fiber). Aigas Field Centre, near Inverness, Scotland, UK. October.
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Alex Hyde / Gnaw marks on Downy Birch (Betula pubescens) felled by a Eurasian beaver (Castor fiber). Aigas Field Centre, near Inverness, Scotland, UK. October.
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Nick Garbutt / Downy birch (Betula pubescens) nearly felled by a Eurasian beaver (Castor fiber). Shores of Loch Aigas, Aigas Field Centre, near Inverness, Scotland, UK. October.
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Eduardo Blanco / European beaver (Castor fiber) gnawed tree trunk. Alhama river, Ebro Valley. Navarra. Spain
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Eduardo Blanco / Trees felled by European beaver (Castor fiber) along Alhama river, Ebro Valley. Navarra. Spain
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Eduardo Blanco / Tree trunks gnawed by European beaver (Castor fiber) Alhama river, Ebro Valley. Navarra. Spain
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Eduardo Blanco / Tree felled by European beaver (Castor fiber) along Alhama river, Ebro Valley. Navarra. Spain
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Eduardo Blanco / European beaver (Castor fiber) gnawed tree trunk. Alhama river, Ebro Valley. Navarra. Spain
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Eduardo Blanco / European beaver (Castor fiber) gnawed tree trunk. Alhama river, Ebro Valley. Navarra. Spain
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Ripan Biswas / A giant riverine tiger beetle (Cicindela octonotata) attacked by a weaver ant (Oecophylla smaragdina) when the beetle was raiding the ant colony. The beetle had bitten the ant in half but did not get...
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Philippe Clement / Speckled wood (Pararge aegeria) butterfly with severely damaged wings resting on leaf, Belgium, April