1. Defenders of Wildlife, in Tucson, Arizona, and Washington, DC
2. Global Trophic Cascades Program in the Department of Forest Ecosystems and Society at Oregon State University, in Corvallis, Oregon
3. Naturalia, AC, in the Ecosystems and Wildlife Conservation Program, in Sonora, México
4. Instituto de Ecologia at the Universidad Nacional Autonoma de Mexico, in Mexico City, Mexico
5. Department of Urban and Environmental Studies at El Colegio de la Frontera Norte, in Ciudad Juárez, Chihuahua, Mexico
6. Department of Biology at Stanford University, in Palo Alto, California
7. School of Natural Resources and the Environment and The Desert Laboratory – Tumamoc Hill at the University of Arizona, in Tucson, Arizona
8. Área de Investigación en Biología de la Conservación at the Universidad Autónoma Metropolitana–Lerma, in Lerma de Villada, Mexico
9. Department of Environmental Science and Policy at George Mason University, in Fairfax, Virginia
10. Southeastern Grasslands Initiative at Austin Peay State University, in Clarksville, Tennessee, and with the Florida Institute for Conservation Science, in Sarasota, Florida
11. CONABIO and the Department of Natural Resources at the Instituto de Ecologia at the Universidad Nacional Autonoma de Mexico, in Mexico City, Mexico
12. Department of Environmental Studies at the University of California, Santa Cruz
13. Museum of Comparative Zoology at Harvard University, in Cambridge, Massachusetts