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In Poland, feral population of the American mink Mustela vison Schreber, 1777, originating from the immigrants from Belarus and Lithuania, as well as from Polish fur farm escapees, started to develop in the beginning of 1980s in the north-east and north-west of the country. According to questionnaires sent to hunters, up to the end of 1980s mink colonized 9 out of 16 Polish provinces. Within next...
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