BULLETIN FLORIDA STATE MUSEUM VOL. 33(4) characteristics, home range, movements, activity patterns, habitat use, food habits, social organization, and marking behavior of the bobcat in south-central Florida. The study area consisted of a core area of completely protected natural habitat surrounded by a semi-developed area typical of many parts of Florida. This configuration allowed comparison of mortality rates and certain other life history parameters in natural versus variously man-modified habitats. Although bobcats in the part of the study area outside the protected core area were at risk of being casually shot, they were not purposely hunted or trapped for sport or the fur trade. Thus, for comparative purposes, the population can be considered as unexploited. In addition, the core area was dominated by relatively xeric vegetative associations that differ considerably from habitats in northern Florida and elsewhere in the eastern United States in which bobcats previously have been studied. A feline panleucopenia virus (FPLV) outbreak during the course of the study also provided an unexpected opportunity to observe the effects of disease on the ecology and social organization of a wild carnivore population. The study area of approximately 200 km2 was located in Highlands County. The protected core area was the 16 km2 Archbold Biological Station, 10 km south of the town of Lake Placid (27011'N, 8121'W). The main period of the study extended from January 1979 through March 1982, with incidental observations made on marked animals through 1984. ACKNOWLEDGMENTS We thank Fred Lohrer for bibliographic assistance, Chester E. Winegarner for help in handling and examining bobcats, Owen Minnick and Bert G. Crawford for aid in maintenance of the tracking vehicle and telemetry equipment, Lilian Saul for assistance in data analysis, Dorothy Carter for typing the manuscript, and J. F. Eisenberg and J. L. Wolfe for helpful comments on an earlier draft of the manuscript. We were fortunate to have the opportunity to work with Hope Ryden for several weeks in an intensive investigation of mother-kitten behavior on the study area and profited greatly from her ideas and observations. We also are grateful to veterinarians J. H. Causey, Citrus Animal Clinic, Lake Placid, Florida, and J. Carroll, J.C. Schwartz, and E. D. Stoddard, Kissimmee Diagnostic Laboratory, Florida Department of Agriculture and Consumer Services, for aid in diagnosing the cause of death of bobcats. Support for this study was provided by Archbold Expeditions, Inc.; Defenders of Wildlife, Inc.; The Roosevelt Memorial Fund of the American Museum of Natural History; and Sigma Xi, the Scientific Research Society.