Territoriality and Pairbonding of Gray Foxes in Mississippi

Spatial relationships of radio-monitored gray foxes (Urocyon cinereoargenteus) were examined over a 5-year period. Marginal overlap (<10%) of convex polygon home ranges of same sex adult foxes with adjacent home range boundaries provided evidence for territoriality. Extensive overlap was observed between juveniles and adults of opposite sex. Mean home range overlap of suspected mated pairs was 61% ± 13%, providing evidence of pair bonding between the sexes. Territory size (home range) may provide a useful measure of population density. Assuming 2 adult foxes inhabit the same range, adult gray fox population density in areas of suitable habitat in the lower Gulf Coastal Plain can be expected to range from 1 adult fox per 183-308 ha.

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