Russell A. Mittermeier,¹ Jonah Ratsimbazafy,² Anthony B. Rylands,³ Liz Williamson,⁴ John F. Oates,⁵ David Mbora,⁶ Jörg U. Ganzhorn,⁷ Ernesto Rodríguez-Luna,⁸ Erwin Palacios,⁹ Eckhard W. Heymann,¹⁰ M. Cecília M. Kierulff,¹¹ Long Yongcheng,¹² Jatna Supriatna,¹³ Christian Roos,¹⁴ Sally Walker,¹⁵ John M. Aguiar<sup>3

1</sup>Conservation International, Arlington, VA, USA
²Durrell Wildlife Conservation Trust — Madagascar Programme, Antananarivo, Madagascar
³Center for Applied Biodiversity Science, Conservation International, Arlington, VA, USA
⁴Department of Psychology, University of Stirling, Stirling, Scotland, UK
⁵Department of Anthropology, Hunter College, City University of New York (CUNY), New York, USA
⁶Department of Biological Sciences, Dartmouth College, Hanover, NH, USA
⁷Institute of Zoology, Ecology and Conservation, Hamburg, Germany
⁸Instituto de Neuroetología, Universidad Veracruzana, Veracruz, México
⁹Conservation International Colombia, Bogotá, DC, Colombia
¹⁰Abteilung Verhaltensforschung &amp; Ökologie, Deutsches Primatenzentrum, Göttingen, Germany
¹¹Fundação Parque Zoológico de São Paulo, São Paulo, Brazil
¹²The Nature Conservancy, China Program, Kunming, Yunnan, China
¹³Conservation International Indonesia, Jakarta, Indonesia
¹⁴Gene Bank of Primates, Deutsches Primatenzentrum, Göttingen, Germany
¹⁵Zoo Outreach Organisation, Coimbatore, Tamil Nadu, India