Goldsborough Z, Crofoot MC, León J, Castillo-Caballero PL, del Rosario-Vargas E, Barrett BJ. EcoEvoExiv. Habitual tool use on monopolizable resources affects group cohesion. https://ecoevorxiv.org/repository/view/10025/.
Jacobson OT, Crofoot MC, Finerty GE, Perry SE, Barrett BJ. Between-group competitive advantage offsets foraging costs for bigger groups in harsher seasons. bioRxiv 2025.08.12.669921; doi: https://doi.org/10.1101/2025.08.12.669921. in review.
Goldsborough Z, Carlson M, Reetz L, Crofoot MC, Barrett BJ. Development and social dynamics of stone tool use in white-faced capuchin monkeys. bioRxiv 2025.04.08.647785; https://doi.org/10.1101/2025.04.08.647785.
Barrett BJ, Crews AC, McElreath MB. Life on the edge: diet preferences reflect adaptation to drought in Neotoma fuscipes. bioRxiv 048363; doi: https://doi.org/10.1101/048363. in revision.
Barrett BJ*, Fiedler W*, Frisoni F*, Goldsborough Z*, Müller I*, Safi K*, Wikelski M*, Zuñiga D*. The burden of a failed error culture in biologging. 15 May 2025. PREPRINT (Version 2) available at EcoEvoRxiv. https://doi.org/10.32942/X21066. accepted at Animal Behavio(u)r.
* authors in alphabetical order.
Howard-Spink E, Tennie C, Mitra Setia T, Deana Perawati D, van Schaik C, Barrett B, Whiten A, Schuppli C. Culture is critical in driving orangutan diet development past individual potentials, 30 March 2025, PREPRINT (Version 1) available at Research Square https://doi.org/10.21203/rs.3.rs-6009246/v1. accepted at Nature Human Behavior.
Goldsborough Z, Crofoot M, Jacobson O, Corewyn L, del Rosario-Vargas E, León J, Barrett BJ. 2025. The rise and spread of a social tradition of interspecies abduction. Current Biology. 35 (10), R375-R376, https://doi.org/10.1016/j.cub.2025.03.056.
Publisher Site, Interactive Website, Supplemental Video. Data.
In the News: NY TImes. NPR. Nat Geo. La Prensa. AP. CNN. El Pais. Der Spiegel. Tagesspeigel. Bild. AFP. BBC. Popular Science. New Scientist. Science News. Smithsonian Mag. Live Science.
Salerno J, Warrier R, Breck S, Carter N, Berger J, Barrett B, Lukumay J, Kaduma J, Grau Valenciano A, Dickman A, Crooks K. 2025. Beneficial spillover effects of anti-predation interventions support human-carnivore coexistence. Conservation Letters. , 18: e13085. https://doi.org/10.1111/conl.13085.
In the News: Mongabay. Nature E&E
Jacobson OT*, Barrett BJ* , Perry SE* , Finerty GE, Tiedeman KM , and Crofoot MC. 2024. A new approach to geostatistical synthesis of historical records reveals capuchin spatial responses to climate and demographic change. Ecology Letters. 27, e14443. https://doi.org/10.1111/ele.14443.
* indicates joint first authors Publisher Site. Archived GPS Data. Historical Records. Data and Code
Fox-Rosales LA, Monteza-Moreno CM, Barrett BJ, Goldsborough Z, Jansen PA, McLean K , Crofoot MC. 2024. Niche expansion into forest floor on guild-reduced islands increases interspecific spatio-temporal overlap. Biotropica, 00, e13315. https://doi.org/10.1111/btp.13315
Publisher Site. Data and Code.
Goldsborough Z, Crofoot MC, Barrett BJ. 2024. Male-biased stone tool use by wild white-faced capuchins (Cebus capucinus imitator). American Journal of Primatology, e23594. https://doi.org/10.1002/ajp.23594,
Publisher Site. Preprint. Data and Code.
Jacobson OT, Crofoot MC, Perry SE, Hench K, Barrett B #, Finerty G #. 2024. The Importance of Representative Sampling for Home Range Estimation in Field Primatology. International Journal of Primatology. 45, 213-245. https://doi.org/10.1007/s10764-023-00398-z
# indicates joint senior authors. Publisher Site. Preprint. Data and Code.
Goldsborough Z, Crofoot MC, Alavi SC, Garza SF, Del Rosario-Vargas E , Tiedeman KM , Barrett BJ. Coupling of Coastal Activity with Tidal Cycles is Stronger in Tool-using Capuchins (Cebus capucinus imitator). Royal Society Open Science. 10230355230355. http://doi.org/10.1098/rsos.230355
Denninger-Snnyder K, Tiedeman KM, Barrett, BJ, Kibwe M, Hijmans RJ, Wittemyer G. Differentiated drivers in wildlife-induced damage necessitate species-specific mitigation strategies in the western Serengeti, Tanzania. Biological Conservation. 285, 110202. https://doi.org/10.1016/j.biocon.2023.110202
Barrett BJ. 2023. Inferential power in identifying frequency-dependent social learning strengthened by increasing behavioral options. Journal of Animal Ecology. 92, 1532–1544. https://doi.org/10.1111/1365-2656.13826.
Publisher Site. PDF. CodeChimento M, Barrett BJ, Kandler A, Aplin L. 2022. Cultural diffusion dynamics depend on behavioural production rules. Proc. R. Soc. B. 289: 20221001. https://doi.org/10.1098/rspb.2022.1001
Publisher Site. PDF. Code. Preprint.
Canteloup C, Biff Cera M, Barrett BJ #, van de Waal E #. 2021. Processing of novel food reveal payoff and rank-biased social learning in a wild primate. Scientific Reports. 11, 9550 (2021). https://doi.org/10.1038/s41598-021-88857-6
# indicates joint senior authors. Publisher Site. PDF. Code and Data. Preprint..Monteza-Moreno CM, Dogandžić T, McLean KA, Castillo-Caballero PL, Mijango-Ramos Z, Del Rosario-Vargas E, Crofoot MC, Barrett BJ. 2020. White-faced capuchin, Cebus capucinus imitator, hammerstone and anvil tool-use in riparian habitats on Coiba Island, Panama. 2020. International Journal of Primatology. 41: 429–433. https://doi.org/10.1007/s10764-020-00156-5.
Publisher Site. PDF.Greggor AL, Trimmer PC, Barrett BJ, Sih A. Challenges of learning to escape evolutionary traps. 2019. Frontiers in Ecology and Evolution. 7: 408. doi: 10.3389/fevo.2019.00408.
Publisher Site. PDF.Barrett BJ*, Zepeda E*, Pollack L, Munson A, Sih A. 2019. Counter-culture: Does social learning help or hinder adaptive response to human-induced rapid environmental change? 2019. Frontiers in Ecology and Evolution. 7: 183. https://doi.org/10.3389/fevo.2019.00183.
* indicates joint first authors. Publisher Site. PDF. R Code.Trimmer PC, Barrett BJ, McElreath R, Sih A. 2019. Rapid environmental change in games: complications and counter-intuitive outcomes. Scientific Reports. 9 (1): 7373. https://doi.org/10.1038/s41598-019-43770-x.
Publisher Site. PDF.Barrett BJ. Equifinality in empirical studies of cultural transmission. 2019. Behavioural Processes. 161:129-38. https://doi.org/10.1016/j.beproc.2018.01.011.
PDF. Simulation and Graphing Code. Publisher Site.Städele V, Roberts ER, Barrett BJ, Strum S, Vigilant L, and Silk JB. 2019. Male-female relationships in olive baboons (Papio anubis): parenting or mating effort? Journal of Human Evolution. 127: 82-89. https://doi.org/10.1016/j.jhevol.2018.09.003.
Publisher Site. PDF. SI. R Code.Clarke, PM, McElreath MB, Barrett BJ, Mabry KE, McElreath RL. 2018. The evolution of bequeathal in stable habitats. Ecology and Evolution. 00:1–14. https://doi.org/10.1002/ece3.4549.
Publisher Site. Mathematica & R Code. Preprint.Barrett BJ, Monteza-Moreno CM, Dogandžić T, Zwyns N, Ibañez A, Crofoot MC. Habitual stone-tool aided extractive foraging in white-faced capuchins, Cebus capucinus. Royal Society Open Science. 5 181002; https://doi.org/10.1098/rsos.181002.
Publisher Site. PDF. SI. R code. Supplemental Video. Preprint available HERE.Silk JB, Roberts ER, Patterson SK, Barrett BJ, and Strum SC. 2017. Female-male relationships influence the form of female-female relationships in olive baboons, Papio anubis. Animal Behaviour. 131. 81-89 ; 10.1016/j.anbehav.2017.07.015.
PDF + SI. Publisher Site. Code & Model Detail.Perry SE, Barrett BJ, Godoy I. 2017. Older, sociable white-faced capuchins (Cebus capucinus) invent more social behaviors, younger monkeys innovate more in other contexts. PNAS. 114 (30) 7806-7813; https://doi.org/10.1073/pnas.1620739114/
PDF + SI. Publisher Site. Data & Code.In the News: UCLABarrett BJ, McElreath RL, Perry S. 2017. Payoff-biased social learning underlies the diffusion of novel extractive foraging traditions in a wild primate. Proc. R. Soc. B. 284 20170358; DOI: 10.1098/rspb.2017.0358.
Publisher Site. PDF. Data, Simulations & Code. Preprint available HERE.In the News: UC DavisBarrett, B and Ziegler, M. 2013. Ethogram (v 1.0): A Behavioral Data Collection Program. Open Source Android Mobile Application. Available: https://github.com/bjbarrett/ethogram. CLICK HERE FOR MORE INFO