The densities of three sympatric carnivore species (fox, raccoon dog and badger) were estimated in Suwałki Landscape Park (North Eastern Poland}. The number of predator den was estimated by a double survey of the area; additionally, snow tracking was carried out. Mean spring density (1995-1996) of foxes was estimated on 0.27 individuals per square km of the whole Park territory whereas those of badgers and raccoon dogs were 0.36 and 0.37, respectively. These values are much higher than estimations by the Park Authorities. In comparison with other regions of Poland the densities of both raccoon dogs and badgers were among the highest recorded. Mean number of cubs per family den was 2.3 in badgers, 6.0 in foxes and 5.7 in raccoon dogs.
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