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Twenty-year Home-range Dynamics
of a White-tailed Deer Matriline



M112 annually migrated 10 km between the same winter and summer ranges from the time of her capture in 1977 to her death in 1979. Her 1977 and 1978 locations occurred within the same space as the 1976 locations of D106 (Fig. 2). We observed M112 twice before she and D106 migrated together to their shared summer range in 1979. They both raised fawns that summer in exclusive areas 1 km apart but within the area they both used previously (Fig. 3).

During June-July 1979, M112 intensively used the north section of her range, the same area she intensively used while rearing fawns in 1977 and 1978, and that D106 had frequented in 1976 as a 2-year-old.

Figure 2.
Fig. 2.   Locations of M112 during March-November 1977 when she was 12 years old (n = 39 locations) and D106 during April-June 1976 when she was 2 years old (n = 31 locations). The locations of M112 were in the same area in 1977 and 1978. The study area lies at 47°52'N and 91°37'W.

Figure 3.
Fig. 3.   Locations of M112 (n = 22) when she was 14 years old and D106 (n = 24) at 5 years old during April-November 1979.

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