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Therya

On-line version ISSN 2007-3364

Abstract

SOTO-WERSCHITZ, Alejandra; MANDUJANO, Salvador  and  GALLINA TESSARO, Sonia. Home-range analyses and habitat use by white-tailed deer females during the breeding season. Therya [online]. 2018, vol.9, n.1, pp.1-6. ISSN 2007-3364.  http://dx.doi.org/10.12933/therya-18-513.

There is little knowledge about the behavior strategies used by white-tailed deer (Odocoileus virginianus texanus) females with fawns. This study analyzed the variation in home range and the use of vegetation types by eight females during the breeding season in a brushland in northeastern Mexico and compared the strategies of females with and without fawns. Eight females were captured and radiotelemetry collars were fitted to them. We sampled two to three 24-hour cycles at 1-hour intervals monthly from April to October 1997 and 1998. In 1997 all females had fawns, whereas in 1998 some of these females had no fawns. This allowed comparing the strategies of females with and without offspring. The home range was significantly larger in females with fawns. In particular, no monthly variations in the home range were observed when females had fawns, while the home range was larger in August in females without fawns. Females preferred two of the seven habitat types (plant associations) studied, the ones dominated by Acacia-Prosopis and by Leucophyllum frutescens. Monthly variations were noted in both home-range size and use of plant associations when females were raising fawns. These data allow a better understanding of the behavioral strategies of females, which may contribute to the development of management strategies.

Keywords : activity patterns; Nuevo León; Odocoileus virginianus; radiotelemetry.

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