He has written numerous articles on raptor ecology and is the editor of Biodiversity, Ecosystems, and Conservation in Northern Mexico. David C. Lightfoot is a research associate professor with the Museum of Southwestern Biology (MSB), UNM, and a senior ecologist with SWCA Environmental Consultants. Jane E. Mygatt is a senior collection manager with the MSB, UNM. Sandra L. Brantley is a research associate professor with the MSB, UNM. Timothy K. Lowrey is a curator and professor with the MSB, UNM. Bestsellers in this subject