Rob Walker


Evolutionary anthropology, ethnolinguistic diversity, uncontacted indigenous societies, Amazonia, applied machine learning.


Graduate Student Opportunities:
Prospective graduate students are encouraged to contact me by email.

Select Publications

For pdfs please go to Research Gate


Walker RS, MJ Hamilton. Machine learning with remote sensing data to locate uncontacted indigenous villages in Amazonia. PeerJ Computer Science 5:e170


Walker RS, DC Kesler, KR Hill. Are isolated indigenous populations headed toward extinction? PLoS ONE 11:e0150987     


Walker RS, KR Hill. Protecting isolated tribes. Science 348:1061

Walker RS, L Sattenspiel, KR Hill. Mortality from contact-related epidemics among indigenous populations in Greater Amazonia. Scientific Reports 5:14032

Walker RS, C Yvinec, RM Ellsworth, DH Bailey. Co-father relationships among the Suruí (Paiter) of Brazil. PeerJ 3:e899


Walker RS, MJ Hamilton, AA Groth. Remote sensing and conservation of isolated indigenous villages in Amazonia. Royal Society Open Science 1:140246

Walker RS. Amazonian horticulturalists live in larger, more related groups than hunter-gatherers. Evolution & Human Behavior 35:384-388

Walker RS, MJ Hamilton. Amazonian societies on the brink of extinction. American Journal of Human Biology 26:570-572

Walker RS, DH Bailey. Marrying kin in small-scale societies. American Journal of Human Biology 26:384-388

Walker RS, KR Hill. Causes, consequences, and kin bias of human group fissions. Human Nature 25:465-475


Walker RS, S Beckerman, MV Flinn, M Gurven, CR von Rueden, KL Kramer, RD Greaves, L Córdoba, D Villar, EH Hagen, JM Koster, L Sugiyama, TE Hunter, KR Hill. Living with kin in lowland horticultural societies. Current Anthropology 54:96-103

Walker RS, DH Bailey. Body counts in lowland South American violence. Evolution & Human Behavior 34:29-34


Walker RS, S Wichmann, T Mailund, CJ Atkisson. Cultural phylogenetics of the Tupi language family in lowland South America. PLoS ONE 7:e35025


Walker RS, KR Hill, MV Flinn, RM Ellsworth. Evolutionary history of hunter-gatherer marriage practices. PLoS ONE 6:e19066

Walker RS, LA Ribeiro. Bayesian phylogeography of the Arawak expansion in lowland South America. Proceedings of the Royal Society of London B 278:2562-2567


Walker RS, MV Flinn, KR Hill. Evolutionary history of partible paternity in lowland South America. Proceedings of the National Academy of Sciences USA 107:19195-19200


Walker RS, M Gurven, K Hill, A Migliano, NA Chagnon, R De Souza, G Djurovic, R Hames, AM Hurtado, H Kaplan, K Kramer, WJ Oliver, C Valeggia, T Yamauchi. Growth rates and life histories in twenty-two small-scale societies. American Journal of Human Biology 18:295-311

Walker RS, K Hill, O Burger, AM Hurtado. Life in the slow lane revisited: Ontogenetic separation between chimpanzees and humans. American Journal of Physical Anthropology 129:577-583


Walker RS, KR Hill, H Kaplan, G MacMillan. Age-dependency in hunting ability among the Ache of Eastern Paraguay. Journal of Human Evolution 42:639-657

Office Hours

Any weekday 10 - 11 am

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