The corresponding author's second affiliation, the IUCN Species Survival Commission Primate Specialist Group, was omitted from the author information. This has been corrected to:
Erin P. Riley† ( orcid.org/0000-0002-2679-0595, epriley@sdsu.edu) Department of Anthropology, San Diego State University, San Diego, CA 92182, USA
†Also at: IUCN Species Survival Commission Primate Specialist Group, Washington, DC, USA