Search for: [Description = "From 1991 to 1995, wolf Canis lupus \(Linnaeus, 1758\) population dynamics were studied in Bieszczady National Park and the surrounding area \(520 km2\). The study areas was utilized by 5 packs. Pack sizes averaged 5.6 in early and 3.9 in late winter. Overwinter declines in wolf numbers ranged from 21% to 39% \(x = 29%\), which corresponded well to the known number of wolves killed by hunters or dead of other causes."]

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