Christopher J. W. McClure,^1,* David L. Anderson,¹ Ralph Buij,¹ Leah Dunn,¹ Michael T. Henderson,¹ Jennifer McCabe,¹ Brian W. Rolek,¹ Sarah E. Schulwitz,¹ D. Paul Spurling,¹ F. Hernan Vargas,¹ Munir Z. Virani,¹ Richard T. Watson,¹ Diego Méndez,² Cesar Marquez Reyes,³ Everton B. P. Miranda,⁴ Lyle Glowka,⁵ Sofi Hinchliffe,⁵ Bryce W. Robinson,⁶ James R. Belthoff,⁷ Julie A. Heath,⁷ André Botha,⁸ Robert A. G. Davies,⁹ Andrew P. Rayner,⁹ Simon R. Trice,⁹ Laurie Goodrich,¹⁰ Jean-François Therrien,¹⁰ M. David Oleyar,¹¹ Steven J. Slater,¹¹ Evan R. Buechley,¹² Sandesh Gurung,¹³ Tulsi R. Subedi,¹³ Petra Sumasgutner,¹⁴ Luke J. Sutton,¹⁵ Franziska Loercher,¹⁶ W. Louis Phipps,¹⁶ José Tavares<sup>16

1</sup>The Peregrine Fund, 5668 West Flying Hawk Lane, Boise, ID 83709 USA
²Aves Rapaces en Bolivia – Programa de Investigación, Calle El Villar 369, Sucre, Bolivia and Museo Nacional de Historia Natural, Calle 26 s/n, Cota Cota, La Paz, Bolivia
³Calle 107A No. 7-82, Apto 501, Bogota, Colombia
⁴Centre for Functional Biodiversity, School of Life Sciences, University of KwaZulu-Natal, P/Bag X01, Pietermaritzburg, 3209, South Africa
⁵Convention on Migratory Species (Abu Dhabi Office), PO Box 45553, Abu Dhabi, United Arab Emirates
⁶Cornell University and the Cornell Lab of Ornithology, 159 Sapsucker Woods Road, Ithaca, NY 14850 USA
⁷Department of Biological Sciences and Raptor Research Center, Boise State University, 1910 University Drive, Boise, ID 83725 USA
⁸Endangered Wildlife Trust, Glen Austin AH 1685, South Africa
⁹Habitat Info Ltd, Rookwood Studios, Llanunwas, Solva, Pembrokeshire, SA62 6UJ, UK
¹⁰Hawk Mountain Sanctuary Association, Acopian Center for Conservation Learning, 410 Summer Valley Road, Orwigsburg, PA 17961 USA
¹¹HawkWatch International, 2240 South 900 East, Salt Lake City, UT 84106 USA
¹²HawkWatch International, 2240 South 900 East, Salt Lake City, UT 84106 USA and Migratory Bird Center, Smithsonian Conservation Biology Institute, National Zoological Park, MRC 5503, Washington, DC 20013 USA
¹³Himalayan Nature, Ganesh Marg, Chabahil, PO Box 10918, Kathmandu, Nepal
¹⁴Konrad Lorenz Research Centre, Department of Behavioral and Cognitive Biology, University of Vienna, Fischerau 11, 4645 Grünau/Almtal, Austria
¹⁵School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK and The Peregrine Fund, 5668 West Flying Hawk Lane, Boise, ID 83709 USA
¹⁶Vulture Conservation Foundation, Wuhrstrasse 12, 8003 Zurich, Switzerland and International Bearded Vulture Monitoring (IBM), Wuhrstrasse 12, 8003 Zurich, Switzerland

^*Email address: cmcclure@peregrinefund.org