Paul Williams / Bite marks on a tree caused by a North American porcupine (Erethizon dorsatum), Vermont, USA. (Habituated rescued individual returned to the wild)
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Paul Williams / Bite marks on a tree caused by a North American porcupine (Erethizon dorsatum), Vermont, USA. (Habituated rescued individual returned to the wild)
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Paul Williams / Bite marks on a tree caused by a North American porcupine (Erethizon dorsatum), Vermont, USA. (Habituated rescued individual returned to the wild)
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Paul Williams / Bite marks on a tree caused by a North American porcupine (Erethizon dorsatum), Vermont, USA. (Habituated rescued individual returned to the wild)
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Ingo Arndt / European beaver (Castor fiber) fresh bite marks on beech tree, from feeding on bark , Spessart, Germany, November.
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Ingo Arndt / European beaver (Castor fiber) fresh bite marks on beech tree , Spessart, Germany, February.
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Ingo Arndt / European beaver (Castor fiber) fresh bite marks on beech tree , Spessart, Germany, February.
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Ingo Arndt / European Beaver (Castor fiber) fresh bite marks on huge (80cm in diameter) beech tree , Spessart, Germany, November.
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Wild Wonders of Europe / Widstrand / Beech trees (Fagus sylvatica) with bark gnawed by horses, Linden Tree Retreat & Ranch, Velika Plana, Velebit Mountains Nature Park, Croatia, April 2014.
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David Pattyn / RF - Ring tailed lemur (Lemur catta) feeding on nibbled cactus, Berenty Private Reserve, southern Madagascar. (This image may be licensed either as rights managed or royalty free.)
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Tony Wu / Bryde's whale (Balaenoptera edeni) female's carcass covered with bites from cookie cutter sharks, indicating that the whale spent substantial time in deep water, where cookie cutter sharks reside. Gul...
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SCOTLAND: The Big Picture / Scots pine (Pinus sylvestis) cone partially chewed / eaten by a Red squirrel (Sciurus vulgaris) on lichen covered forest floor. Cairngorms National Park, Highlands, Scotland, UK, August 2016.