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


G6381 and G6996

G6381 migrated between her natal summer range and winter range during each year of her 6-year tracking tenure from 1982 to 1989 (Table 1). We located her 75 times and confirmed her presence on her summer range an additional 116 times, always within and fully using the area used by her mother and grandmother.

G6996 also migrated between her natal summer range and winter range during the 4 years (1987-1991) we followed her (Table 1). When 3.9 and 4.9 years old, she migrated to summer range with her niece GG7000. We observed them only once, migrating together with an unknown radio-collared female, most certainly G6381 or GG6974.

We located G6996 51 times and confirmed her presence on summer range 125 times; we found her using only the west half of her mother's home range. She temporarily deviated 1 km northwest in 1988 when 2 years old (Fig. 5), but for the duration of her tracking tenure (1987-1991) she resumed using the west half of the area her deceased mother had used. Her locations in June-August 1990 indicated that she used the range her mother used in June-August 1988 (Fig. 6) and her grandmother used during fawn rearing in 1977-1979 (Figs. 2 and 3).

Figure 5.
Fig. 5.   Locations (n = 10-20/deer) of 2-year old G6996 and 1-year-old GG7000 in April-August 1988. Two locations 2 km north of Gabbro Lake during July are not shown for GG7000.

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