The use of camera traps for estimating tiger and leopard populations in the high altitude mountains of Bhutan by Wang, S, Macdonald, D

“…We used camera traps in combination with capture-recapture data analysis to provide the first reliable density estimates for tigers and leopards from the high altitude and rugged terrain in Bhutan's Jigme Singye Wangchuck National Park. Fifty days of camera trapping in each of five study zones collapsed into two trapping blocks, resulted in a sampling effort of 4050 trap days. …”