[1] Wildlife Conservat Soc, Bronx, NY 10460 USA
[2] Univ London Imperial Coll Sci Technol & Med, Royal Sch Mines, Dept Environm Sci & Technol, Renewable Resources Assessment Grp, London SW7 2BP, England
[3] Conservat Int, Ctr Appl Biodivers Sci, Washington, DC 20036 USA
[4] Bushmeat Crisis Task Force, Silver Spring, MD 20910 USA
[5] Wildlife Conservat Soc, Waltham, MA 02451 USA