article_snippet: In the decade following, Li Weidong and Li Weidong colleagues conducted a number of studies, including a census at 14 different sites.
article_snippet: In 2002 and 2003, Li Weidong,  with a team of volunteers, conducted a fresh census.
article_snippet: Last year, Li Weidong organized a group of 20 volunteers to conduct another survey with infrared cameras.
article_snippet: 20 volunteers dubbed it a "magic rabbit.