The death of several black bears at the black bear breeding base in Yunnan Pingbian Daweishan is a matter of concern. Multiple black bears exhibited decreased appetite or unusual waste, and some were soporific or suffered from vomiting and anhelation. In order to ascertain the cause of death, 16S rDNA gene sequencing and phylogenetic analysis was performed on bacteria isolated from tissue sampl...

93 *To whom correspondence and reprints requests should be addressed. Tel and Fax: 886-4-22206317. E-mail: [email protected] The Formosan black bear (Ursus thibetanus formosanus) belonging to the family Ursidae is distributed in the Central Mountain Range of Taiwan from broadleaf forests as low as 200 m to coniferous forests as high as 3500 m (Hwang et al. 2000, Chang et al. 2004). Fi...

Effects of gunshot and human settlement on black bear numbers and range are well documented, but effects of natural factors are less well known. In this paper, effects of food supply, predation, cannibalism, and health problems on black bear populations are evaluated using information in the literature and data obtained in Minnesota during 1969-1978 from 119 radiocollared black bears and their ...