The impact of atypical early histories on pet or performer chimpanzees by Hani D. Freeman, Stephen R. Ross

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Characterizing abnormal behavior in a large population of zoo-housed chimpanzees: prevalence and potential influencing factors by Sarah L. Jacobson, Stephen R. Ross, Mollie A. Bloomsmith

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Same Space, Different Species: The Influence of Exhibit Design on the Expression of Zoo-Housed Apes’ Species-Typical Retiring Behaviors by Samantha C. Earl, Lydia M. Hopper, Stephen R. Ross

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The Social Rank of Zoo-Housed Japanese Macaques is a Predictor of Visitor-Directed Aggression by Jocelyn M. Woods, Stephen R. Ross, Katherine A. Cronin

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Specific image characteristics influence attitudes about chimpanzee conservation and use as pets. by Stephen R Ross, Vivian M Vreeman, Elizabeth V Lonsdorf

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Zoo-Housed Chimpanzees Can Spontaneously Use Tool Sets But Perseverate on Previously Successful Tool-Use Methods by Laura M. Bernstein-Kurtycz, Lydia M. Hopper, Stephen R. Ross, Claudio Tennie

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A 25-Year Retrospective Review of Mortality in Chimpanzees (<i>Pan troglodytes</i>) in Accredited U.S. Zoos from a Management and Welfare Perspective by Stephen R. Ross, Priyanka B. Joshi, Karen A. Terio, Kathryn C. Gamble

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Captive chimpanzee foraging in a social setting: a test of problem solving, flexibility, and spatial discounting by Lydia M. Hopper, Laura M. Kurtycz, Stephen R. Ross, Kristin E. Bonnie

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Comparative survival analyses among captive chimpanzees (Pan troglodytes) in America and Japan by Judy Che-Castaldo, Kristin Havercamp, Koshiro Watanuki, Tetsuro Matsuzawa, Satoshi Hirata, Stephen R. Ross

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Primates' Food Preferences Predict Their Food Choices Even Under Uncertain Conditions by Sarah M. Huskisson, Crystal L. Egelkamp, Sarah L. Jacobson, Stephen R. Ross, Lydia M. Hopper

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Younger generations are more interested than older generations in having non-domesticated animals as pets by Katherine A. Cronin, Maureen Leahy, Stephen R. Ross, Mandi Wilder Schook, Gina M. Ferrie, Andrew C. Alba

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Evaluating mood changes in response to anthropogenic noise with a response-slowing task in three species of zoo-housed primates by Katherine A. Cronin, Emily J. Bethell, Sarah L. Jacobson, Crystal Egelkamp, Lydia M. Hopper, Stephen R. Ross

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A Comparative Perspective on Three Primate Species’ Responses to a Pictorial Emotional Stroop Task by Lydia M. Hopper, Matthias Allritz, Crystal L. Egelkamp, Sarah M. Huskisson, Sarah L. Jacobson, Jesse G. Leinwand, Stephen R. Ross

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Personality links with lifespan in chimpanzees by Drew M Altschul, William D Hopkins, Elizabeth S Herrelko, Miho Inoue-Murayama, Tetsuro Matsuzawa, James E King, Stephen R Ross, Alexander Weiss

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Chimpanzees (<i>Pan troglodytes</i>) in U.S. Zoos, Sanctuaries, and Research Facilities: A Survey-Based Comparison of Species-Typical Behaviors by Andrea W. Clay, Stephen R. Ross, Susan Lambeth, Maribel Vazquez, Sarah Breaux, Rhonda Pietsch, Amy Fultz, Michael Lammey, Sarah L. Jacobson, Jaine E. Perlman, Mollie A. Bloomsmith

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Establishing an infrastructure for collaboration in primate cognition research. by Many Primates, Drew M Altschul, Michael J Beran, Manuel Bohn, Josep Call, Sarah DeTroy, Shona J Duguid, Crystal L Egelkamp, Claudia Fichtel, Julia Fischer, Molly Flessert, Daniel Hanus, Daniel B M Haun, Lou M Haux, R Adriana Hernandez-Aguilar, Esther Herrmann, Lydia M Hopper, Marine Joly, Fumihiro Kano, Stefanie Keupp, Alicia P Melis, Alba Motes Rodrigo, Stephen R Ross, Alejandro Sánchez-Amaro, Yutaro Sato, Vanessa Schmitt, Manon K Schweinfurth, Amanda M Seed, Derry Taylor, Christoph J Völter, Elizabeth Warren, Julia Watzek

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