Inventory of the mammalian species at Vicksburg National Military Park, Vicksburg, Mississippi

A year-long mammal survey at Vicksburg National Military Park (VICK), Vicksburg, Mississippi, was conducted during 2005. Presence was documented using photographs, sign, and voucher collections, incorporating multiple capture and monitoring techniques such as livetrapping, pitfall traps, remote cameras, mist nets, and ANABAT II detectors. A total of 1,011 detections of 37 mammal species was recorded in 9,871 trap nights, 16,392 camera hours, and 352 mist-netting hours. Overall capture indices were 1.7 per 100 trap nights (TN) for small mammals, 33.5 per 100 TN for mesoand large mammals, and 37.0 per 100 TN for bats. Spe¬ cies accumulation curves and predicted species richness estimates indicate that trapping effort was sufficient for a complete inventory. However, nine species (Ochrotomys nuttalli, Oryzomys palustris, Reithrodontomys fuhescens, Ondatra zibethica, Rattus rattus, Rattus norvegicus, Neovison vison, Lontra canadensis, Spilogale putorius) that have distributions overlapping the study area were not detected. These mammals should be regarded as potential but unconfirmed species in the park.