Grzegorz Lesniewski / Wisent / European Bison (Bison bonasus) crossing the Sun River. Bieszczady Mountains, the Carpathians, Bieszczady National Park, Poland, February.
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Grzegorz Lesniewski / European Otter (Lutra lutra) with fish prey. Bieszczady National Park, the Carpathians, Poland, February.
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Grzegorz Lesniewski / Swallowwort Gentian (Gentiana asclepiadea). Bieszczady National Park, the Carpathians, Poland, September.
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Grzegorz Lesniewski / Dawn rising behind Polonina Carynska. Bieszczady National Park, the Carpathians, Poland, October 2009.
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Grzegorz Lesniewski / Ural Owl (Strix uralensis) perched. Bieszczady National Park, the Carpathians, Poland, December.
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Grzegorz Lesniewski / Herd of Carpathian Pony / Hucul (Equus caballus) in snow. Bieszczady National Park, the Carpathians, Poland, March.
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Grzegorz Lesniewski / Herd of Carpathian Pony / Hucul (Equus caballus) in snow. Bieszczady National Park, the Carpathians, Poland, March.
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Grzegorz Lesniewski / Herd of Carpathian Pony / Hucul (Equus caballus) in snow. Bieszczady National Park, the Carpathians, Poland, March.
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Grzegorz Lesniewski / Long-tailed Tit (Aegithalos caudatus) portrait. Bieszczady National Park, the Carpathians, Poland, March.
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Grzegorz Lesniewski / Brown Bear (Ursus arctos) sharpening its claws on a tree. Bieszczady National Park, the Carpathians, Poland, April.
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Grzegorz Lesniewski / Firecrest (Regulus ignicapilla) perched on fir branch. Bieszczady National Park, the Carpathians, Poland, April.
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Grzegorz Lesniewski / Red-breasted Flycatcher (Ficedula parva) perched. Bieszczady National Park, the Carpathians, Poland, June.