Dorothy Cheney & Robert Seyfarth

Departments of Biology and Psychology, University of Pennsylvania
Publications, Grad Students, Post-Docs

Publications

1976 | 1980 | 1990 | 2000 | 2010

2017

Bray, EE, Sammel, MD, Cheney, DL, Serpell, JA, & Seyfarth, RM. 2017. Effects of maternal investment, temperament, and cognition on guide dog success. Proceedings of the National Academy of Sciences. www.pnas.org/cgi/doi/10.1073/pnas.1704303114
PDF – Bray-et-al-PNAS-2017-1mkawq9

Bray, EE, Sammel, MD, Seyfarth, RM, Serpell, JA & Cheney, DL. 2017. Temperament and problem solving in a population of adolescent guide dogs. Animal Cognition DOI 10.1007/s10071-017-1112-8.
PDF – Bray et al. 2017 AnimalCog-2m95bbn

Schamberg, I., Cheney, D.L. & Seyfarth, R.M. 2017. Bonobos (Pan paniscus) perform branch drag displays before long-distance travel. International Journal of Primatology. DOI 10.1007/s10764-017-9957-x.
PDF – Schamberg-brach-drag-2017-2ge4j3z

Schamberg, I., Cheney, D.L., Clay, Z. Hohmann, G. & Seyfarth, R.M. 2017. Bonobos use call combinations to facilitate inter-party travel recruitment. Behavioural Ecology & Sociobiology 21:71-75.
PDF – Schamberg-et-al-low hoots-2017-1mpcou3

Bray, EE, Sammel MD, Cheney DL, Serpell JA, Seyfarth RM.  2017.  Characterizing early maternal style in a population of guide dogs. Frontiers in Psychology. 8:175.
PDF – bray-et-al-maternal-style-2017-1zdmp4w

2016

Silk, JB, Seyfarth, RM, Cheney, DL. 2016. Strategic use of affiliative vocalizations by wild female baboons. PLoS ONE 11(10):e0163978.
PDF – Silk-et-al-2016-PLoS One-pu92uc

Platt, ML, Seyfarth RM, Cheney DL.  2016.  Adaptations for social cognition in the primate brain. Philosophical Transactions of the Royal Society B. 371:20150096.
PDF – platt_et_al._2016-15bnh75

Schamberg, I, Cheney DL, Clay Z, Hohmann G, Seyfarth RM.  2016.  Call combinations, vocal exchanges, and interparty movement in wild bonobos. Animal Behaviour. 122:109-116.
PDF – schamberg-et-al-animbehav-2016-11bng6g

Cheney, DL, Silk JB, Seyfarth RM.  2016.  Network connections, dyadic bonds, and fitness in wild female baboons. Royal Society Open Science. 3:160255.
PDF – cheney_et_al-networks-roysocopensci-2016-1fllapb

Seyfarth, RM, Cheney DL.  2016.  The origin of meaning in animal signals. Animal Behaviour. :1-8.
PDF – seyfarthcheney-origin_of_meaning-animbehav2016-2mp86cq

Seyfarth, RM, Cheney DL.  2016.  Precursors to language: Social cognition and pragmatic inference in primates. Psychonomic Bulletin & Review.
PDF – seyfarthcheney-psychonomicbulletin-2016-21yjgaw

2015

Cheney, DL, Crockford C, Engh AE, Wittig R, Seyfarth RM.  2015.  The costs of parental and mating effort for male baboons. Behavioral Ecology and Sociobiology. 69:303-312.
PDF – cheney_et_al._2015_bes-1s9daet

Seyfarth, RM, Cheney DL.  2015.  The evolution of concepts about agents: Or, what do animals recognize when they recognize an individual? The Conceptual Mind: New Directions in the Study of Concepts. (Margolis, E., Laurence, S., Eds.).:57-76., Cambridge, MA: MIT Press
PDF – conceptual_mind-chapter-19foh9e

Seyfarth, RM, Cheney DL.  2015.  How sociality shapes the brain, behaviour, and cognition. Animal Behaviour. 103:187-190.
PDF – abs_pres_symp_intro_2015-1v1yrsa

Gersick, AS, Cheney DL, Schneider JM, Seyfarth RM, Holekamp KE.  2015.  Long-distance communication facilitates cooperation among wild spotted hyaenas (Crocuta crocuta). Animal Behaviour. 103:107-116.
PDF – gersick-et-al-hyenas-1jdkg2z

Kalbitzer, U, Heistermann M, Cheney DL, Seyfarth RM, Fischer J.  2015.  Social behavior and patterns of testosterone and glucocorticoid levels differ between male chacma and Guinea baboons. Hormones and Behavior. 75:100-110.

Seyfarth, RM, Cheney DL.  2015.  Social cognition. Animal Behaviour. 103:191-202.
PDF – soccog-animbehav2015-1oo3kur

Price, T, Hammerschmidt K, Wadewitz P, Cheney DL, Seyfarth RM, Fischer J.  2015.  Vervets revisited: A quantitative analysis of alarm call structure and context specificity. Scientific Reports. 5:13220.
PDF – price-et-al-vervet-alarms-2015-2fgz0cn

2014

Seyfarth, RM, Cheney DL.  2014.  The evolution of language from social cognition. Current Opinion in Neurobiology. 28:5-9.
PDF – seyfarthcheney-curropinionneurobiology2014-2flv0nc

Seyfarth, RM, Silk JB, Cheney DL.  2014.  Social bonds in female baboons: the interaction between personality, kinship, and rank. Animal Behaviour. 87:23-29.
PDF – seyfarth-et-al-2014_0-ri37yg

2013

Seyfarth, RM, Cheney DL.  2013.  Affiliation, empathy, and the origins of Theory of Mind. Proceedings of the National Academy of Sciences. 110:10349-10356.
PDF – seyfarthcheney-sackler-2013-1f9x9gb

Seyfarth, RM, Cheney DL.  2013.  The evolution of concepts about agents. Navigating the social world: What infants, children, and other species can teach us. (Banaji, M.R., Gelman, S.A., Eds.).:27-30., Oxford: Oxford University Press
PDF – banaji_ch1.6-corrected-1sxjj2l

Kitchen, D, Cheney DL, Engh AL, Fischer J, Moscovice L, Seyfarth RM.  2013.  Male baboon responses to experimental manipulations of loud ‘wahoo calls’: testing an honest signal of fighting ability. Behavioral Ecology & Sociobiology. 67:1825-1835.
PDF – kitchen-et-al-2013-28q2msb

Silk, JB, Cheney DL, Seyfarth RM.  2013.  A practical guide to the study of social relationships. Evolutionary Anthropology. 22:213-225.
PDF – silk-et-al-evol-anth_0-z2at4b

Seyfarth, RM, Cheney DL.  2013.  Social cognition: The primate mind before tools, language, and culture. Evolution of Mind, Brain, and Culture. (Hatfield, G., Pittman, M., Eds.).:105-122., Philadelphia: University of Pennsylvania Press
PDF – seyfarthcheneyevomind-2013-2a2cr64

Seyfarth, RM, Cheney DL.  2013.  Social relationships, social cognition, and the evolution of mind in primates. Comprehensive Handbook of Psychology, Volume 3: Biological Psychology and Neuroscience. (Nelson, Randy J., Mizumori, Sheri, Eds.).:574-594., New York: John Wiley & Sons
PDF – seyfarthcheney-handbook_of_psychology-2013-xy678c

2012

Seyfarth, RM, Cheney DL.  2012.  Cognition, communication, and language. Evolutionary Anthropology. 21:186.
PDF – whatmakesushuman-evol-anth-1iy6qrn

Cheney, DL, Silk JB, Seyfarth RM.  2012.  Evidence for intrasexual selection in wild female baboons. Animal Behaviour. 84:21-27.
PDF – cheney-et-al-2012-animbehav_0-190165q

Cheney, DL, Seyfarth RM.  2012.  The evolution of a cooperative social mind. Oxford Handbook of Comparative Evolutionary Psychology. (Vonk, J., Shackelford, T., Eds.).:507-528., Oxford: Oxford University Press
PDF – cheney__seyfarth-oxford_handbook-15a241f

Seyfarth, RM, Cheney DL.  2012.  The evolutionary origin of friendship. Annual Review of Psychology. 63:153-177.
PDF – origins-of-friendship-annrev2012-1l8owhe

Seyfarth, RM, Cheney DL.  2012.  Primate social cognition as a precursor to language. Oxford Handbook of Language Evolution. (Gibson, K., Tallerman, M., Eds.).:59-70., Oxford: Oxford University Press
PDF – langevol-seyfarthcheney-10e2ndd

Seyfarth, RM, Cheney DL.  2012.  Social cognition. The Evolution of Primate Societies. (Mitani, J., Call, J., Kappeler, P., Palombit, R., Silk, J.B., Eds.).:628-640., Chicago: University of Chicago Press
PDF – evol-of-primate-soc-2012-28kq3d5

Silk, JB, Alberts SA, Altmann J, Seyfarth RM, Cheney DL.  2012.  Stability of partner choice among female baboons. Animal Behaviour. 83:1511-1518.
PDF – silk-et-al-stability-2012-1yqradw

Seyfarth, RM, Silk JB, Cheney DL.  2012.  Variation in personality and fitness in wild female baboons. Proceedings of the National Academy of Sciences. 109:16980-16985.
PDF – seyfarth-et-al-personality-pnas2012-2de2z2w

2011

Seyfarth, RM, Cheney DL.  2011.  Animal Cognition: Chimpanzee alarm calls depend on what others know. Current Biology. 22:R51-R52.
PDF – snake_alarm_commentary-cb-2011-2gvmmyi

Cheney, DL.  2011.  Cooperation in Non-Human Primates: Function and Cognition. Animal Thinking: Contemporary Issues in Comparative Cognition. (Menzel, R., Fischer, J., Eds.).:239-252., Cambridge: MIT Press
PDF – cheney-chapter_in_animal_thinking-2011-20dvowo

Cheney, DL.  2011.  The extent and limits of cooperation in animals. Proceedings of the National Academy of Sciences USA. 108:10902-10909.
PDF – cheney-cooperation-pnas-2011-1wvqalt

 2010     Back to Top

Seyfarth, RM, Cheney DL, Bergman T, Fischer J, Zuberbuhler K, Hammerschmidt K.  2010.  The central importance of information in studies of animal communication. Animal Behaviour. 80:3-8.
PDF – information-animbehav-10-25fm45r

Kitchen, DM, Bergman T, Cheney DL, Nicolson J, Seyfarth RM.  2010.  Comparing responses of four ungulate species to playbacks of baboon alarm calls. Animal Cognition. 13:861-870.
PDF – kitchen-et-al-ungulates-tjeern

Cheney, DL, Moscovice L, Heesen M, Mundry R, Seyfarth RM.  2010.  Contingent cooperation between wild female baboons. Proceedings of the National Academy of Sciences USA. 107:9562-9566.
PDF – cheney-et-al-2010-pnas-1z55aga

Silk, JB, Beehner JC, Bergman T, Crockford C, Engh AL, Moscovice L, Wittig RM, Seyfarth RM, Cheney DL.  2010.  Female chacma baboons form strong, equitable, and enduring social bonds. Behavioral Ecology & Sociobiology. 64:1733-1747.
PDF – silk-et-al-2010-bes-17urhin

Moscovice, L, DiFiore A, Crockford C, Kitchen D, Wittig RM, Seyfarth RM, Cheney DL.  2010.  Hedging their bets? Male and female chacma baboons form friendships based on likelihood of paternity Animal Behaviour. 79:1007-1015.
PDF – moscovice_et_al._anim._behav-15cl401

Seyfarth, RM, Cheney DL.  2010.  Primate communication. Primate Neuroethology. (Platt, M., Ghazanfar, A.A., Eds.).:84-97., Oxford: Oxford University Press
PDF – platt__ghazanfar-seyfarthcheney_chapter-1repe1c

Cheney, DL, Seyfarth RM.  2010.  Primate communication and human language: Continuities and discontinuities. Mind the Gap: Continuities and Discontinuities in the Behavior of Nonhuman and Human Primates. (Kappeler, P., Silk, J.B., Eds.).:283-298., Cambridge: Harvard University Press
PDF – cheneyseyfarth-chapter_in_mind_the_gap-2010-1di8uau

Cheney, DL.  2010.  Primatology: Monkey bromance. Current Biology. 20:R1074-R1076.
PDF – cheney-2010-commentary-currbio-1s3qea5

Seyfarth, RM, Cheney DL.  2010.  Production, usage, and comprehension in animal vocalizations. Brain and Language. 115:92-100.
PDF – brainlanguage-2010-1z00q2x

Seyfarth, RM, Cheney DL.  2010.  The shared evolutionary history of kinship classifications and language. Commentary on “Human kinship, from conceptual structure to grammar. Behavioral and Brain Sciences. 33:369-416.
PDF – jones-bbs-kinship_origins-2bxhvg5

Silk, JB, Beehner JC, Bergman T, Crockford C, Engh AL, Moscovice L, Wittig RM, Seyfarth RM, Cheney DL.  2010.  Strong and consistent social bonds enhance the longevity of female baboons. Current Biology. 20:1359-1361.
PDF – silk_et_al_2010_social_bonds__longevity-25gujgx

2009

Seyfarth, RM, Cheney DL.  2009.  Agonistic and Affiliative Signals: Resolutions of Conflict. Encyclopedia of Neuroscience. (Squire, L., Ed.).:223-226., New York: Elsevier
PDF – encyc-of-neuro-09-1db12kn

Silk, JB, Beehner JC, Bergman T, Crockford C, Engh AL, Moscovice L, Wittig RM, Seyfarth RM, Cheney DL.  2009.  The benefits of social capital: Close social bonds among female baboons enhance offspring survival. Proceedings of the Royal Society B. 276:3099-3104.
PDF – silk-et-al-09-proceedings-183r2kf

Kitchen, DM, Cheney DL, Seyfarth RM, Beehner JC, Bergman T, Crockford C, Engh AL, Fischer J, Wittig RM.  2009.  Costs and consequences of male aggression directed at female chacma baboons. Sexual Coercion in Primates and Humans: An Evolutionary Perspective on Male Aggression Against Females. (Muller, M., Wrangham, R.W., Eds.).:125-156., Cambridge: Harvard University Press

Engh, AL, Hoffmeier RR, Seyfarth RM, Cheney DL.  2009.  O brother where art thou? The varying influence of older siblings in rank acquisition by female baboons Behavioral Ecology & Sociobiology. 64:97-104.
PDF – engh-et-al-09-brothers-15xvyub

Moscovice, L, Heesen M, DiFiore A, Seyfarth RM, Cheney DL.  2009.  Paternity alone does not predict long-term investment in juveniles by adult male baboons. Behavioral Ecology & Sociobiology. 63:1471-1482.
PDF – moscovice-et-al-paternity_alone-bes-09-2buyujq

Seyfarth, RM, Cheney DL.  2009.  Seeing who we hear and hearing who we see. Proceedings of the National Academy of Sciences. 106:669-670.
PDF – pnas-commentary-x-modal-1d9g6qc

Wrangham, RW, Cheney DL, Seyfarth RM, Sarmiento E.  2009.  Shallow-water habitats as sources of fallback foods for hominins. American Journal of Physical Anthropology. 140:630-642.
PDF – wrangham-et-al-09-ajpa-zf0r61

Cheney, DL, Seyfarth RM.  2009.  Stress and coping mechanisms in female primates. Advances in the Study of Behavior. 39:1-35.
PDF – cheney-advances-1lk409y

Beehner, JC, Gesquiere L, Seyfarth RM, Cheney DL.  2009.  Testosterone related to age and life-history stages in male baboons and geladas. Hormones & Behavior. 56:472-480.
PDF – beehner_et_al._2009-qxuytz

2008

Seyfarth, RM, Cheney DL.  2008.  The evolution of social categories. Neurobiology of “umwelt”: How Living Beings Perceive the World. (Bethoz, A., Christen, Y., Eds.).:69-87., Berlin: Springer
PDF – umwelt-vol-08-1loo5kr

Wittig, RM, Crockford C, Lehman J, Whiten P, Seyfarth RM, Cheney DL.  2008.  Focused grooming networks and stress alleviation in wild female baboons. Hormones & Behavior. 54:170-177.
PDF – wittig-et-al-08-hb-2lknwux

Seyfarth, RM, Cheney DL.  2008.  Primate social knowledge and the origins of language. Mind and Society. 7:129-142.
PDF – seyfarth-cheney-08-mindsociety-25rp9o4

Crockford, C, Wittig RM, Whiten P, Seyfarth RM, Cheney DL.  2008.  Social stressors and coping mechanisms in wild female baboons (Papio hamadryas ursinus). Hormones & Behavior. 53:254-265.
PDF – crockford-et-al-08-126rre0

2007

Ey, E, Hammerschmidt K, Seyfarth RM, Fischer J.  2007.  Age- and sex-related variations in clear calls of chacma baboons (Papio cynocephalus ursinus). International Journal of Primatology. 28:947-960.
PDF – ey-et-al-ijp-27ece5e

Cheney, DL, Seyfarth RM.  2007.  Baboon Metaphysics., Chicago: University of Chicago Press

Crockford, C, Wittig RM, Seyfarth RM, Cheney DL.  2007.  Baboons eavesdrop to deduce mating opportunities. Animal Behaviour. 73:885-890.
PDF – crockford-et-al-07-22b6z3q

Wittig, RM, Crockford C, Wikberg E, Seyfarth RM, Cheney DL.  2007.  Kin-mediated reconciliation substitutes for direct reconciliation in baboons. Proceedings of the Royal Society B. 274:1109-1115.
PDF – wittig-et-al-kin-rec-proc07-1omhigd

Wittig, RM, Crockford C, Seyfarth RM, Cheney DL.  2007.  Vocal alliances in chacma baboons, Papio hamadryas ursinus. Behavioral Ecology & Sociobiology. 61:899-909.
PDF – wittig-et-al-alliances-15tlwwg

2006

Engh, AL, Beehner JC, Bergman T, Whiten P, Hoffmeier RR, Seyfarth RM, Cheney DL.  2006.  Behavioural and hormonal responses to predation in female chacma baboons (Papio hamadryas ursinus). Proceedings of the Royal Society B. 273:707-712.
PDF – engh_et_al_-bereavement-12dl9ya

Cheney, DL, Seyfarth RM, Fischer J, Beehner JC, Bergman T, Johnson S, Kitchen DM, Palombit R, Rendall D, Silk JB.  2006.  Factors affecting mortality and reproduction among free-ranging baboons in the Okavango Delta, Botswana. Life History, Reproductive Strategies, and Fitness in Baboons. (Swedell, L., Leigh, S., Eds.).:147-176., Amsterdam: Kluwer
PDF – cheney_et_al_2006-xlf3a5

Engh, AL, Beehner JC, Bergman T, Whiten P, Hoffmeier RR, Seyfarth RM, Cheney DL.  2006.  Female hierarchy instability, male immigration, and infanticide increase glucocorticoid levels in female chacma baboons. Animal Behaviour. 71:1227-1237.
PDF – engh-et-al-06-female-stress-11v1vm8

Bergman, T, Beehner JC, Cheney DL, Seyfarth RM, Whiten P.  2006.  Interactions in male baboons: The importance of both males’ testosterone. Behavioral Ecology & Sociobiology. 59:480-489.
PDF – bergman-et-al-06-male-pb-2j1mait

Beehner, JC, Bergman T, Cheney DL, Seyfarth RM, Whiten P.  2006.  Testosterone predicts future dominance rank and mating activity among male chacma baboons. Behavioral Ecology & Sociobiology. 59:469-479.
PDF – beehner-et-al-06-testosterone-s6z6rr

Engh, AL, Hoffmeier RR, Cheney DL, Seyfarth RM.  2006.  Who, me? Can baboons infer the target of vocalisations? Animal Behaviour. 71:381-387.
PDF – engh-et-al-who-me-1kd0s3k

2005

Cheney, DL, Seyfarth RM.  2005.  Constraints and preadaptations in the earliest stages of language evolution. Linguistic Review. 22:135-159.
PDF – linguisticreview-2cqtn54

Seyfarth, RM.  2005.  Continuities in vocal communication argue against a gestural origin of language. Commentary on “From monkey-like action recognition to human language: An evolutionary framework for neurolinguistics.”. Behavioral and Brain Sciences. 28:144-145.

Bergman, T, Beehner JC, Cheney DL, Seyfarth RM, Whiten P.  2005.  Correlates of stress in free-ranging male chacma baboons. Animal Behaviour. 70:703-713.
PDF – bergman-et-al-05-male-stress-s01nog

Beehner, JC, Bergman T, Cheney DL, Seyfarth RM, Whiten P.  2005.  The effect of new alpha males on female stress in free-ranging baboons. Animal Behaviour. 69:1211-1221.
PDF – beehner-et-al-05-17ojv7w

Kitchen, DM, Cheney DL, Seyfarth RM.  2005.  Friends, food and females: contextual factors meditating contests between male chacma baboons (Papio cynocephalus ursinus) in Botswana. International Journal of Primatology. 26:105-125.
PDF – kitchen-et-al-05-ijp-1jywt5o

Kitchen, DM, Cheney DL, Seyfarth RM.  2005.  Male chacma baboons (Papio cynocephalus ursinus) discriminate loud call contests between rivals of different relative ranks. Animal Cognition. 8:1-6.
PDF – kitchen-et-al-anim-cog-1gtafiz

Seyfarth, RM, Cheney DL, Bergman T.  2005.  Primate social cognition and the origins of language. Trends in Cognitive Science. 9:264-266.
PDF – tics-seyfarth-et-al-05-2g99ui6

Seyfarth, RM, Cheney DL.  2005.  Social cognition in primates and other animals. The Encyclopedia of Animal Behavior. (Bekoff, M., Ed.)., Phoenix: Greenwood

2004

Fischer, J, Kitchen D, Seyfarth RM, Cheney DL.  2004.  Baboon loud calls advertise male quality: Acoustic features and their relation to rank, age, and exhaustion. Behavioral Ecology & Sociobiology. 56:140-148.
PDF – fischer_et_al2004_wahoos-1wx4hpl

Cheney, DL, Seyfarth RM, Fischer J, Beehner JC, Bergman T, Johnson D, Kitchen DM, Palombit R, Rendall D, Silk JB.  2004.  Factors affecting mortality and reproduction among free-ranging baboons in the Okavango Delta, Botswana. International Journal of Primatology. 25:401-428.
PDF – cheney-et-al-demog04-23abci2

Kitchen, DM, Cheney DL, Seyfarth RM.  2004.  Factors mediating inter-group encounters in savanna baboons (Papio cynocephalus ursinus). Behaviour. 141:197-218.
PDF – kitchen-et-al-intergroup-s99gnh

Seyfarth, RM, Cheney DL.  2004.  Meaning and emotion in animal vocalizations. Emotions Inside Out: 130 Years after Darwin’s The Expression of the Emotions in Man and Animals. (Ekman, P., Campos, J.J., Davidson, R.J., de Waal, F., Eds.).:32-55., New York: New York Academy of Sciences
PDF – meaning_and_emotion-1swqjoi

Cheney, DL, Seyfarth RM.  2004.  Social complexity and the information acquired during eavesdropping by primates and other animals. Animal Communication Networks. (McGregor, P., Ed.).:583-603., Cambridge: Cambridge University Press
PDF – cseavesdropping-1a2cvmh

2003

Kitchen, DM, Cheney DL, Seyfarth RM.  2003.  Female baboons’ responses to male loud calls. Ethology. 109:401-412.
PDF – kitchen_et_al-03-female-resp-2l46dy5

Bergman, T, Beehner JC, Cheney DL, Seyfarth RM.  2003.  Hierarchical classification by rank and kinship in baboons. Science. 302:1234-1236.
PDF – bergman_et_al._2003-13u1vtd

Kitchen, DM, Seyfarth RM, Fischer J, Cheney DL.  2003.  Loud calls as indicators of dominance in male baboons (Papio cynocephalus ursinus). Behavioral Ecology & Sociobiology. 53:374-384.
PDF – kitchen_et_al._03-wahoos-r1fgcq

Silk, JB, Rendall D, Cheney DL, Seyfarth RM.  2003.  Natal attraction in adult female baboons (Papio cynocephalus ursinus) in the Moremi Reserve, Botswana. Ethology. 109:627-644.
PDF – silk_et_al._03-uh2zbc

Cheney, DL, Seyfarth RM.  2003.  The recognition of other individuals’ social relationships. Kinship and Behavior in Primates. (Chapais, B., Berman, C.M., Eds.).:347-364., Cambridge: Cambridge University Press

Seyfarth, RM, Cheney DL.  2003.  Signalers and receivers in animal communication. Annual Review of Psychology. 54:145-173.
PDF – seyfarth__cheney_03-2fyyxc6

Seyfarth, RM, Cheney DL.  2003.  The structure of social knowledge in monkeys. Animal Social Complexity: Intelligence, Culture, and Individualized Societies. (de Waal, F., Tyack, P., Eds.).:207-229., Cambridge: Harvard University Press
PDF – animal_social_complexity-17ls3o9

2002

Fischer, J, Hammerschmidt K, Cheney DL, Seyfarth RM.  2002.  Acoustic features of male baboon loud calls: Influences of context, age, and individuality. Journal of the Acoustical Society of America. 111:1465-1474.
PDF – fischer_et_al._2002-1qg1gwd

Seyfarth, RM, Cheney DL.  2002.  Alarm calls. The Encyclopedia of Evolution. (Pagel, M., Ed.).:22-25., Oxford: Oxford University Press

Seyfarth, RM, Cheney DL.  2002.  The structure of social knowledge in monkeys. (Bekoff, M., Allen, C., Eds.)., C: MIT Press

Seyfarth, RM, Cheney DL.  2002.  What are big brains for? Proceedings of the National Academy of Sciences. 99:4141-4142.
PDF – pnas-brains-1jlwmlj

Isbell, LA, Cheney DL, Seyfarth RM.  2002.  Why vervets (Cercopithecus aethiops) live in multimale groups. The Guenons: Diversity and Adaptation in African Monkeys. (Glenn, M., Cords, M., Eds.).:169-183., New York: Plenum

2001

Fischer, J, Hammerschmidt K, Seyfarth RM, Cheney DL.  2001.  Acoustic features of female chacma baboon barks. Ethology. 107:33-54.
PDF – fischer_et_al._2001-ethology-19fr60f

Fischer, J, Metz M, Cheney DL, Seyfarth RM.  2001.  Baboon responses to graded bark variants. Animal Behaviour. 61:925-931.
PDF – fischer_et_al._2001-animbehav-16lvcqq

Seyfarth, RM, Cheney DL.  2001.  Cognitive strategies and the representation of social relationships by monkeys. Evolutionary Psychology and Motivation, Nebraska Symposium on Motivation, vol. 48. (French, J.A., Kamil, A.C., Leger, D.W., Eds.).:145-178., Lincoln: University of Nebraska Press

Seyfarth, RM, Cheney DL.  2001.  Dennett’s contribution to research on the animal mind. Perspectives in Philosophy: Daniel C. Dennett. (Ross, D.A., Brook, A., Eds.).:117-139., Cambridge: Cambridge University Press

Palombit, R, Cheney DL, Seyfarth RM.  2001.  Female-female competition for male “friends” in wild chacma baboons (Papio cynocephalus ursinus). Animal Behaviour. 61:1159-1171.
PDF – palombit_et_al._2001-zlwkyg

Seyfarth, RM, Cheney DL.  2001.  Just like us? The limits of the human-monkey analogy The New Encyclopedia of Mammals. (MacDonald, D.W., Ed.).:366-367., Oxford: Oxford University Press

Manser, M, Seyfarth RM, Cheney DL.  2001.  Suricate alarm calls signal predator class and urgency. Trends in Cognitive Science. 6:55-57.
PDF – manser-et-al-tics-2e15bz0

2000     Back to Top

Fischer, J, Cheney DL, Seyfarth RM.  2000.  Development of infant baboon responses to female graded variants of barks. Proceedings of the Royal Society B. 267:2317-2321.
PDF – fischer_et_al._2000-2k2botl

Palombit, R, Cheney DL, Seyfarth RM, Rendall D, Silk JB, Johnson S, Fischer J.  2000.  Male infanticide and defense of infants in chacma baboons. Infanticide by Males and Its Implications. (van Schaik, C., Janson, C., Eds.).:123-152., Cambridge: Cambridge University Press

Rendall, D, Cheney DL, Seyfarth RM.  2000.  Proximate factors mediating ‘contact’ calls in adult female and their infants. Journal of Comparative Psychology. 114:36-46.
PDF – rendall_et_al._2000-1gimqc5

Seyfarth, RM, Cheney DL.  2000.  Social awareness in monkeys. American Zoologist. 40:902-909.
PDF – seyfarthcheney-amzool-2000-2bvqwys

Cheney, DL, Seyfarth RM.  2000.  Vocal reconciliation in free-ranging baboons. Conflict Resolution. (Aureli, P., de Waal, F., Eds.).:208-210., Berkeley: University of California Press

1999

Zuberbuhler, K, Cheney DL, Seyfarth RM.  1999.  Conceptual semantics in a nonhuman primate. Journal of Comparative Psychology. 113:33-42.
PDF – zuberbuhler-cheney-seyfarth-99-ynzpdp

Palombit, R, Cheney DL, Seyfarth RM.  1999.  Male grunts as mediators of social interaction with females in wild chacma baboons (Papio cynocephalus ursinus). Behaviour. 136:221-242.
PDF – palombit_et_al._1999-10mey8u

Rendall, D, Seyfarth RM, Cheney DL, Owren MJ.  1999.  The meaning and function of grunt variants in baboons. Animal Behaviour. 57:583-592.
PDF – rendall_et_al._1999-1cd3z2i

Cheney, DL, Seyfarth RM.  1999.  Mechanisms underlying the vocalizations of non-human primates. Neural Mechanisms of Communication. (Konishi, M., Hauser, M.D., Eds.).:629-644., Cambridge: MIT Press

Seyfarth, RM, Cheney DL.  1999.  Production, usage, and response in nonhuman primate vocal development. Neural Mechanisms of Communication. (Konishi, M., Hauser, M.D., Eds.).:391-417., Cambridge: MIT Press

Cheney, DL, Seyfarth RM.  1999.  Recognition of other individuals’ social relationships by female baboons. Animal Behaviour. 58:67-75.
PDF – cheney__seyfarth_1999-1j6pbtv

Seyfarth, RM, Cheney DL.  1999.  Social cognition in animals. The MIT Encyclopedia of the Cognitive Sciences. (Wilson, R., Keil, F., Eds.).:778-790., Cambridge: MIT Press

Silk, JB, Seyfarth RM, Cheney DL.  1999.  The structure of social relationships among female savanna baboons. Behaviour. 136:679-703.
PDF – silk_et_al._1999-1bnkcug

1997

Owren, MJ, Seyfarth RM, Cheney DL.  1997.  The acoustic features of vowel-like grunt calls in chacma baboons (Papio cynocephalus ursinus). Journal of the Acoustical Society of America. 101:2951-2963.
PDF – owren_et_al._1997-1ly2k7o

Palombit, R, Seyfarth RM, Cheney DL.  1997.  The adaptive value of “friendships” to female baboons: Experimental and observational evidence. Animal Behaviour. 54:599-614.
PDF – palombit-etal-97-rzed6s

Seyfarth, RM, Cheney DL.  1997.  Behavioral mechanisms underlying vocal communication in nonhuman primates. Animal Learning and Behavior. 25:249-267.
PDF – seyfarthcheney-alb-97-r04xo4

Seyfarth, RM, Cheney DL.  1997.  Communication and the minds of monkeys. Origin and Evolution of Intelligence. (Scheibel, A.B., Schopf, J.W., Eds.).:27-42., Boston: Jones & Bartlett

Zuberbuhler, K, Noe R, Seyfarth RM.  1997.  Diana monkey long distance calls: Messages for conspecifics and predators. Animal Behaviour. 53:589-604.
PDF – zuberbuher-et-al-1997-239ut08

Cheney, DL, Seyfarth RM.  1997.  Reconciliatory grunts by dominant female baboons influence victims’ behavior. Animal Behaviour. 54:409-418.
PDF – cheney__seyfarth_1997-2apg3pf

Seyfarth, RM, Cheney DL.  1997.  Some general features of vocal development in nonhuman primates. Social Influences on Vocal Development. (Husberger, M., Snowdon, C.T., Eds.).:249-273., Cambridge: Cambridge University Press

1996

Silk, JB, Cheney DL, Seyfarth RM.  1996.  The form and function of post-conflict interactions among baboons, Papio cynocephalus ursinus. Animal Behaviour. 52:259-268.
PDF – silk_et_al._1996-2aj06dy

Cheney, DL, Seyfarth RM.  1996.  Function and intention in the calls of nonhuman primates. Proceedings of the British Academy. 88:59-76.

Cheney, DL, Seyfarth RM, Palombit R.  1996.  The function and mechanisms underlying baboon contact barks. Animal Behaviour. 52:507-518.
PDF – cheney-seyfarth-palombit-96-uikar4

1995

Seyfarth, RM, Cheney DL.  1995.  Cognitive ethology. Concepts, Theories, and Rationality in the Biological Sciences. (Wolters, G., Lennox, James G., Eds.).:371-392., Pittsburgh: University of Pittsburgh Press

Cheney, DL, Seyfarth RM, Silk JB.  1995.  The responses of female baboons (Papio cynocephalus ursinus) to anomalous social interactions: evidence for causal reasoning? Journal of Comparative Psychology. 109:134-141.
PDF – cheney-seyfarth-silk-1995-jcp-xk3938

Cheney, DL, Seyfarth RM, Silk JB.  1995.  The role of grunts in reconciling opponents and facilitating interactions among adult female baboons. Animal Behaviour. 50:249-257.
PDF – cheney-et-al-reconcil-grunts-95-1a6c2aw

1994

Seyfarth, RM, Cheney DL, Harcourt AH, Stewart KJ.  1994.  The acoustic features of gorilla double grunts and their relation to behavior. American Journal of Primatology. 33:31-50.
PDF – seyfarth-et-al-gorillas-yt59o0

Seyfarth, RM, Cheney DL.  1994.  The evolution of social cognition in primates. Behavioral Mechanisms in Evolution and Ecology. (Real, L., Ed.).:371-389., Chicago: University of Chicago Press

1993

Isbell, LA, Cheney DL, Seyfarth RM.  1993.  Are immigrant vervet monkeys (Cercopithecus aethiops) at greater risk of mortality than residents? Animal Behaviour. 45:729-734.
PDF – isbell-et-al-1993-13j12qp

Seyfarth, RM, Cheney DL.  1993.  Meaning, reference, and intentionality in the natural vocalizations of monkeys. Language and Communication: Comparative perspectives. (Roitblat, H.L., Herman, L., Nachtigall, P., Eds.).:196-220., Hillsdale: Lawrence Erlbaum Associates

Owren, MJ, Dieter JA, Seyfarth RM, Cheney DL.  1993.  Vocalizations of rhesus (Macaca mulatta) and Japanese (Macaca fuscata) macaques cross-fostered between species show evidence of only limited modification. Developmental Psychobiology. 26:389-406.
PDF – owren-et-al-93-xfoster-2ldfeq1

1992

Owren, MJ, Hopp S, Seyfarth RM.  1992.  Categorical vocal signaling in nonhuman primates. Nonverbal vocal communication: Comparative and developmental approaches. (Papousek, H., Jurgens, U., Papousek, M., Eds.).:102-122., Cambridge: Cambridge University Press

Owren, MJ, Dieter JA, Seyfarth RM, Cheney DL.  1992.  Evidence of limited modification in the vocalizations of cross-fostered rhesus (Macaca mulatta and Japanese (M. fuscata) macaques. Topics in primatology, volume 1: Human origins. (Nishida, T., McGrew, W.C., Marler, P., Pickford, M., de Waal, F., Eds.).:257-270., Tokyo: University of Tokyo Press

Owren, MJ, Dieter JA, Seyfarth RM, Cheney DL.  1992.  Food calls of rhesus macaques (Macaca mulatta), Japanese macaques (M. fuscata), and immatures cross-fostered between species. Behaviour. 120:219-231.
PDF – owren-et-al-1992-xfoster-1iubjys

Cheney, DL.  1992.  Intra-group cohesion and inter-group hostility: The relation between grooming distributions and inter-group competition among female primates. Behavioral Ecology. 3:334-345.

Seyfarth, RM, Cheney DL.  1992.  Meaning and mind in monkeys. Scientific American. 267:122-129.

Cheney, DL, Seyfarth RM.  1992.  Meaning, reference, and intentionality in the natural vocalizations of monkeys. Topics in primatology, volume 1: Human origins. (Nishida, T., McGrew, W.C., Marler, P., Pickford, M., de Waal, F., Eds.).:315-330., Tokyo: University of Tokyo Press

Cheney, DL, Seyfarth RM.  1992.  Precis of and reply to commentaries on “How monkeys see the world”. Behavioral and Brain Sciences. 15:135-182.
PDF – precis-hmsw-bbs-1992-rm3gsf

1991

Isbell, LA, Cheney DL, Seyfarth RM.  1991.  Group fusions and minimum group sizes in vervet monkeys (Cercopithecus aethiops). American Journal of Primatology. 25:57-66.
PDF – isbell-et-al-1993-13j12qp

Seyfarth, RM.  1991.  Reciprocal altruism and the limits of correlational analysis. Journal of Theoretical Biology. 153:141-144.

1990     Back to Top

Seyfarth, RM, Cheney DL.  1990.  The assessment by vervet monkeys of their own and another species’ alarm calls. Animal Behaviour. 40:754-764.
PDF – seyfarthcheney-ownother-species-alarms-1fn96h7

Cheney, DL, Seyfarth RM.  1990.  Attending to behaviour versus attending to knowledge: examining monkeys’ attribution of mental states. Animal Behaviour. 40:742-753.
PDF – cheneyseyfarth-1990-animbehav-1rdzulr

Isbell, LA, Cheney DL, Seyfarth RM.  1990.  Costs and benefits of home range shifts among vervet monkeys in Amboseli National Park, Kenya. Behavioral Ecology & Sociobiology. 27:351-358.
PDF – isbell-et-al-1990-bes-y4ja4y

Cheney, DL, Seyfarth RM.  1990.  How Monkeys See the World: Inside the Mind of Another Species., Chicago: University of Chicago Press

Cheney, DL, Seyfarth RM.  1990.  Reading minds or reading behavior? Tests for a theory of mind in monkeys Natural Theories of Mind: The Evolution, Development, and Simulation of Everyday Mindreading. (Whiten, A., Ed.).:175-194., Oxford: Blackwell’s

Cheney, DL, Seyfarth RM.  1990.  The representation of social relations by monkeys. Cognition. 37:167-196.
PDF – cheneyseyfarth-cognition-1990-1v2hooe

Cheney, DL, Seyfarth RM.  1990.  Truth and deception in animal communication. Cognitive Ethology; The Minds of Other Animals. (Ristau, C.A., Ed.).:127-152., Hillsdale NJ: Lawrence Erlbaum Associates

1989

Seyfarth, RM, Cheney DL.  1989.  Empirical tests of theories of reciprocity: problems in assessment. Ethology and Sociobiology. 9:181-188.

Keddy Hector, A, Seyfarth RM, Raleigh MJ.  1989.  Male parental care, female choice, and the effect of an audience in vervet monkeys. Animal Behaviour. 38:262-271.
PDF – keddy_hector_et_al_1989-1yi4sl8

Cheney, DL, Seyfarth RM.  1989.  Reconciliation and redirected aggression in vervet monkeys. Behaviour. 110:258-275.
PDF – cheneyseyfarth-redir-aggr-behaviour1989-1s20j7w

1988

Cheney, DL, Seyfarth RM.  1988.  Assessment of meaning and the detection of unreliable signals in vervet monkeys. Animal Behaviour. 36:477-486.
PDF – cheneyseyfarth-1988-assessment-of-meaning-2565oz7

Seyfarth, RM, Cheney DL.  1988.  Do monkeys understand their relations? Machiavellian Intelligence. (Byrne, R.W., Whiten, A., Eds.).:69-84., Oxford: Oxford University Press

Cheney, DL, Andelman SJ, Seyfarth RM, Lee PC.  1988.  The reproductive success of vervet monkeys. Reproductive Success. (Clutton-Brock, T.H., Ed.).:384-402., Chicago: University of Chicago Press

Cheney, DL, Seyfarth RM.  1988.  Why monkeys don’t have language. The Tanner Lectures on Human Values, 19. (Petersen, G., Ed.).:175-219., Salt Lake City: University of Utah Press
PDF – cheney-tannerlectures-p0zz62

1987

Walters, JR, Seyfarth RM.  1987.  Competition and cooperation within groups. Primate Societies. (Smuts, B.B., Cheney, D.L., Seyfarth, R.M., Wrangham, R.W., Struhsaker, T.T., Eds.).:306-317., Chicago: University of Chicago Press

Seyfarth, RM, Cheney DL.  1987.  Danger recognition in animals. The Oxford Companion to the Mind. (Gregory, R.L., Ed.).:178., Oxford: Oxford University Press

Cheney, DL, Seyfarth RM.  1987.  The influence of intergroup competition on the survival and reproduction of female vervet monkeys. Behavioral Ecology & Sociobiology. 21:375-386.

Essock-Vitale, S, Seyfarth RM.  1987.  Intelligence and social cognition. Primate Societies. (Smuts, B.B., Cheney, D.L., Seyfarth, R.M., Wrangham, R.W., Struhsaker, T.T., Eds.).:452-461., Chicago: University of Chicago Press

Cheney, DL.  1987.  Interactions and relationships between groups. Primate Societies. (Smuts, B.B., Cheney, D.L., Seyfarth, R.M., Wrangham, R.W., Struhsaker, T.T., Eds.).:267-281., Chicago: University of Chicago Press

Cheney, DL, Wrangham RW.  1987.  Predation. Primate Societies. (Smuts, B.B., Cheney, D.L., Seyfarth, R.M., Wrangham, R.W., Struhsaker, T.T., Eds.).:227-239., Chicago: University of Chicago Press

Smuts, BB, Cheney DL, Seyfarth RM, Wrangham RW, Struhsaker TT.  1987.  Primate Societies., Chicago: University of Chicago Press

Seyfarth, RM.  1987.  Vocal communication and its relation to language. Primate Societies. (Smuts, B.B., Cheney, D.L., Seyfarth, R.M., Wrangham, R.W., Struhsaker, T.T., Eds.).:440-451., Chicago: University of Chicago Press

1986

Seyfarth, RM, Cheney DL.  1986.  Complexities in the study of vervet monkey grunts. Current Perspectives in Primate Social Behavior. (King, F., Taub, D., Eds.).:378-388., New York: Van Nostrand Rheinhold

Hauser, MD, Cheney DL, Seyfarth RM.  1986.  Group extinction and fusion in free-ranging vervet monkeys. American Journal of Primatology. 11:63-77.

Cheney, DL, Seyfarth RM.  1986.  The recognition of social alliances in vervet monkeys. Animal Behaviour. 34:1722-1731.

Cheney, DL, Seyfarth RM, Smuts BB.  1986.  Social relationships and social cognition in nonhuman primates. Science. 234:1361-1366.

Seyfarth, RM, Cheney DL.  1986.  Vocal development in vervet monkeys. Animal Behaviour. 34:1640-1658.

1985

Cheney, DL, Seyfarth RM.  1985.  Social and non-social knowledge in vervet monkeys. Proceedings of the Royal Society B. 308:187-201.

Cheney, DL, Seyfarth RM.  1985.  The social and non-social world of non-human primates. Relationships and Cognitive Development. (Hinde, R.A., Perret-Clermont, A., Stevenson-Hinde, J., Eds.).:23-40., Oxford: Oxford University Press

Cheney, DL, Seyfarth RM.  1985.  Vervet monkey alarm calls: manipulation through shared information? Behaviour. 93:150-166.

1984

Seyfarth, RM, Cheney DL.  1984.  The acoustic features of vervet monkey grunts. Journal of the Acoustical Society of America. 75:1623-1628.

Cheney, DL.  1984.  Category formation in vervet monkeys. The Meaning of Primate Signals. (Reynolds, V., Harre, R., Eds.).:58-72., Cambridge: Cambridge University Press

Seyfarth, RM, Cheney DL.  1984.  Grooming, alliances, and reciprocal altruism in vervet monkeys. Nature. 308:541-543.

Seyfarth, RM, Cheney DL.  1984.  The natural vocalizations of non-human primates. Trends in Neuroscience. 7:66-73.

Seyfarth, RM.  1984.  What the vocalizations of monkeys means to humans, and what they mean to the monkeys themselves. The Meaning of Primate Signals. (Reynolds, V., Harre, R., Eds.).:43-56., Cambridge: Cambridge University Press

1983

Cheney, DL.  1983.  Extra-familial alliances among vervet monkeys. Primate Social Relationships. (Hinde, R.A., Ed.).:278-286., Oxford: Blackwell’s

Seyfarth, RM.  1983.  Grooming and social competition in primates. Primate Social Relationships. (Hinde, R.A., Ed.).:182-190., Oxford: Blackwell’s

Seyfarth, RM, Cheney DL.  1983.  How monkeys see the world: a review of recent research on East African vervet monkeys. Primate Communication. (Snowdon, C.T., Brown, M., Petersen, M., Eds.).:239-252., Cambridge: Cambridge University Press

Cheney, DL.  1983.  Inter-group encounters among Old World Monkeys. Primate Social Relationships. (Hinde, R.A., Ed.).:233-241., Oxford: Blackwell’s

Cheney, DL, Seyfarth RM.  1983.  Non-random dispersal in free ranging vervet monkeys: social and genetic consequences. American Naturalist. 122:392-412.

Cheney, DL.  1983.  Proximate and ultimate factors related to the distribution of male migration. Primate Social Relationships. (Hinde, R.A., Ed.).:241-249., Oxford: Blackwell’s

1982

Cheney, DL, Seyfarth RM.  1982.  How vervet monkeys perceive their grunts: field playback experiments. Animal Behaviour. 30:739-751.

Cheney, DL, Seyfarth RM.  1982.  Recognition of individuals within and between groups of free-ranging vervet monkeys. American Zoologist. 22:519-529.

1981

Cheney, DL, Lee PC, Seyfarth RM.  1981.  Behavioral correlates of non-random mortality among free-ranging female vervet monkeys. Behavioral Ecology & Sociobiology. 9:153-161.

Seyfarth, RM.  1981.  Communication as evidence of thinking. Animal Mind – Human Mind. (Griffin, D.R., Ed.).:391-406., Berlin: Springer-Verlag

Cheney, DL, Seyfarth RM.  1981.  Selective forces affecting the predator alarm calls of vervet monkeys. Behaviour. 76:25-61.

1980     Back to Top

Seyfarth, RM.  1980.  The distribution of grooming and related behaviors among adult female vervet monkeys. Animal Behaviour. 28:798-813.

Seyfarth, RM, Cheney DL, Marler P.  1980.  Monkey responses to three different alarm calls: evidence for predator classification and semantic communication. Science. 210:801-803.

Seyfarth, RM, Cheney.  1980.  The ontogeny of vervet monkey alarm-calling behavior. Zeitschrift fur Tierpsychologie. 54:37-56.

Seyfarth, RM, Cheney DL, Marler P.  1980.  Vervet monkey alarm calls: semantic communication in a free-ranging primate. Animal Behaviour. 28:1070-1094.

Cheney, DL, Seyfarth RM.  1980.  Vocal recognition in free ranging vervet monkeys. Animal Behaviour. 28:362-367.

1978

Cheney, DL.  1978.  Interactions of immature male and female baboons with adult females. Animal Behaviour. 26:389-408.
PDF – cheney-1978-immatures-1ajmagn

Cheney, DL.  1978.  The play partners of immature baboons. Animal Behaviour. 26:1038-1050.

Seyfarth, RM.  1978.  Social relations among adult male and female baboons. I. Behavior during sexual consortship. Behaviour. 64:204-226.

Seyfarth, RM.  1978.  Social relations among adult male and female baboons. II. Behavior throughout the female reproductive cycle. Behaviour. 64:227-247.

1977

Cheney, DL.  1977.  The acquisition of rank and the development of reciprocal alliances among free-ranging immature baboons. Behavioral Ecology & Sociobiology. 2:303-318.

Cheney, DL, Seyfarth RM.  1977.  Behavior of immature and adult male baboons during inter-group encounters. Nature. 269:404-406.

Seyfarth, RM.  1977.  A model of social grooming among adult female monkeys. Journal of Theoretical Biology. 65:671-698.
PDF – seyfarth-jtheorbiol-zbkmjd

1976     Back to Top

Seyfarth, RM.  1976.  Social relationships among adult female baboons. Animal Behaviour. 24:917-938.

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