Published Research

* indicates students or postdocs at the time of the work

Click here for Jacinta’s Google Scholar Profile

In various stages of submission

Tinsley Johnson E*, Snyder-Mackler N, Lu A, Bergman TJ,Beehner JC.(In Prep, on BioRxiv) The Goldilocks Effect: Females geladas in mid-sized groups have higher fitness. DOI:10.1101/348383.

Schneider-Crease I, Chiou KL, Snyder-Mackler N, Bergman TJ, Beehner JC, Lu A (Submitted) Beyond infant death: The hidden costs of male immigration in geladas. Biology Letters.

Fischer J, Higham JP, Alberts SC, Barrett L, Beehner JC, Bergman TJ, Carter A, Collins A, Dunbar R, Elton S, Fagot J, Ferreira da Silva M, Hammerschmidt K, Henzi P, Jolly CJ, Knauf S, Kopp G, Rogers J, Roos C, Ross C, Seyfarth RM, Silk J, Snyder-Mackler N, Städele V, Swedell L, Wilson ML, Zinner D. (Submitted) Baboons. eLife.

Zipple MN, Roberts EK*, Alberts SC, Beehner JC(In Revision) Male-mediated pregnancy termination: Function and mechanism. Evolutionary Anthropology.

2019

Bergman TJ, Beehner JC, Painter MC, Gustison ML (Accepted) The speech-like properties of non-human primate vocalizations. Animal Behaviour.

Gustison ML*, Tinsley Johnson E*, Beehner JC, Bergman TJ. (2019) The social functions of complex vocal sequences in wild geladas. Behavioral Ecology and Sociobiology. 73:14. DOI: 10.1007/s00265-018-2612-5.

2018

Bergman TJ, Haile AA*, Beehner JC. (2018) What is (not) a baboon? International Journal of Primatology. 39:1005-1008.DOI: 10.1007/s10764-018-0063-5.

Zinner D, Dolotovskaya S, Urbanek KA, Gippoliti S, Burke R, Moges A, Atickem A, Mekonnen A, Beehner JC, Bergman TJ, Fashing P, Roos C (2018) Geographic structure of mitochondrial DNA diversity in geladas (Theropithecus gelada). PLoS ONE. 13:e0202303. DOI: 10.1371/journal.pone.0202303.

Ramos-Fernandez G, King A, Beehner JC, Bergman TJ, Crofoot M, DiFiore A, Lehmann J, Schaffner C, Snyder-Mackler N, Aureli F, Boyer D. (2018) Quantifying uncertainty due to fission-fusion dynamics as a component of social complexity. Proceedings of the Royal Society of London, Series B. 285:20180532. DOI: 10.1098/rspb.2018.0532.

Jarvey JC*, Low BS, Pappano DJ*, Bergman TJ, Beehner JC. (2018) Graminivory and fallback foods: Annual diet profile of geladas (Theropithecus gelada) living in the Simien Mountains National Park, Ethiopia. International Journal of Primatology. 39:105-126.DOI: 10.1007/s10764-018-0018-x.

Tinsley Johnson E*, Snyder-Mackler N, Bergman TJ, Beehner JC.(2018) Social and ecological seasonality in wild geladas. Behavioral Ecology.29:574-588. DOI: 10.1093/beheco/ary008.

2017

Schneider-Crease IA*, Griffin RH*, Dorny P, Noh JC, Handali S, Chastain HM, Wilkins PP, Nunn CL, Snyder-Mackler N, Beehner JC, Bergman TJ. (2017) Identifying wildlife reservoirs of neglected taeniid tapeworms: non-invasive diagnosis of endemic Taenia serialis infection in a wild primate population. PLoS Neglected Tropical Diseases. 11:e0005709. DOI: 10.1371/journal.pntd.0005709.

Schneider-Crease IA*, Griffin RH*, Gomery MA*, Bergman TJ, Beehner JC.(2017) High mortality associated with tapeworm parasitism in geladas (Theropithecus gelada) in the Simien Mountains National Park, Ethiopia.American Journal of Primatology.79:e22684. DOI: 10.1002/ajp.22684.

Benítez ME*, Pappano DJ*, Beehner JC, Bergman TJ. (2017) Evidence for mutual assessment in a wild primate. Scientific Reports. 7:2952. DOI: 10.1038/s41598-017-02903-w.

Beehner JC, Bergman TJ. (2017) The next step for stress research in primates: To identify relationships between glucocorticoid secretion and fitness. Hormones and Behavior.91:68-83. DOI: 10.1016/j.yhbeh.2017.03.003.

Roberts EK*, Lu A, Bergman TJ, Beehner JC. (2017) Reproductive parameters in wild female geladas (Theropithecus gelada). International Journal of Primatology. 38:1-20. DOI: 10.1007/s10764-016-9939-4.

2016

Benítez ME*, le Roux A*, Fischer J, Beehner JC, Bergman TJ. (2016) Acoustic and temporal variation in gelada loud calls advertise male quality. International Journal of Primatology. 37:568-585. DOI: 10.1007/s10764-016-9922-0.

Lu A*, McCann C, Stinespring-Harris A*, Bergman TJ, Beehner JC. (2016) Growth trajectories in wild geladas (Theropithecus gelada). American Journal of Primatology. 78:707-719. DOI: 10.1002/ajp.22535.

2015

Beehner JC, Gesquiere L, Cheney DL, Seyfarth RM, Altmann J. (2015) Corrigendum to Testosterone related to age and life-history stages in male baboons and geladas. Hormones and Behavior. DOI: 10.1016/j.yhbeh.205.08.004.

Barale CL*, Rubenstein DI, Beehner JC. (2015) Juvenile social relationships reflect adult patterns of behavior in wild geladas. American Journal of Primatology. 77: 1086-1096. DOI: 10.1002/ajp.22443.

Bergman TJ, Beehner JC. (2015) Measuring social complexity. Animal Behaviour. 103:203-209. DOI: 10.1016/j.anbehav.2015.02.018.

2014

Pappano DJ*, Beehner JC. (2014) Harem males do not rise to the challenge: Androgens respond to social but not seasonal challenges in wild geladas. Royal Society Open Science. 1: 140081. DOI: 10.1098/rsos.140081.

Tinsley Johnson E*, Snyder-Mackler N*, Beehner JC, Bergman TJ. (2014) Kinship and dominance rank influence the strength of female social bonds in geladas. International Journal of Primatology. 35:288-304. DOI: 10.1007/s10764-013-9733-5.

2013

Beehner JC, Lu A*. (2013) Reproductive suppression in female primates – A review. Evolutionary Anthropology.22:226-238.DOI: 10.1002/evan.21369.

Le Roux A*, Snyder-Mackler N*, Roberts E*, Beehner JC, Bergman TJ. (2013) Evidence for tactical concealment in a wild primate. Nature Communications. DOI: 10.1038/ncomms2468.

2012

Roberts EK*, Lu A*, Bergman TJ, Beehner JC. (2012) The Bruce effect in wild geladas. Science. 335:1222-1225. DOI: 10.1126/science.1213600.

Pappano DJ*, Snyder-Mackler N*, Bergman TJ, Beehner JC. (2012) Social “predators” within a multilevel primate society. Animal Behaviour. 84:653-658. DOI: 10.1016/j.anbehav.2012.06.021.

Snyder-Mackler N*,Beehner JC, Bergman TJ. (2012) Defining higher levels in a gelada multilevel society. International Journal of Primatology. 33:1054-1068. DOI: 10.1007/s10764-012-9584-5.

Lu A*, Beehner JC, Czekala NM, Borries C. (2012) Juggling priorities: Female mating tactics in Phayre’s leaf monkeys. American Journal of Primatology. 74:471-481. DOI: 10.1002/ajp.22004.

2011

Le Roux A*, Beehner JC, Bergman TJ. (2011) Female philopatry and dominance patterns in wild geladas. American Journal of Primatology. 73:422-430. DOI: 10.1002/ajp.20916.

Lu A*, Beehner JC, Czekala NM, Koenig A, Larney E, Borries C. (2011) Phytochemicals and reproductive function in wild female Phayre’s leaf monkeys (Trachypithecus phayrei). Hormones and Behavior. 59:28-36. DOI: 10.1016/j.yhbeh.2010.09.012.

2010

Silk JB, Beehner JC, Bergman TJ, Crockford C, Engh AL, Moscovice LR, Wittig RM, Seyfarth RM, Cheney DL. (2010) Female chacma baboons form strong, equitable, and enduring social bonds. Behavioral Ecology and Sociobiology. 64:1733-1747. DOI: 10.1007/s00265-010-0986-0.

Silk JB, Beehner JC, Bergman TJ, Crockford C, Engh AL, Moscovice LR, Wittig RM, Seyfarth RM, Cheney DL. (2010) Strong and consistent social bonds enhance the longevity of female baboons. Current Biology. 20:1359-1361. DOI: 10.1016/j.cub.2010.05.067.

Lu A*, Borries C, Czekala NM, Beehner JC. (2010) Reproductive characteristics of wild female Phayre’s leaf monkeys. American Journal of Primatology. 72:1073-1081. DOI: 10.1002/ajp.20866.

Pappano DJ*, Roberts EK*, Beehner JC. (2010) Testing extraction and storage parameters for a fecal hormone method. American Journal of Primatology. 72:934-941.DOI: 10.1002/ajp.20859.

Stanton S*, LaBar K, Saini E*, Kuhn C, Beehner JC. (2010) Stressful politics: Cortisol responses to the outcome of the 2008 U.S. presidential election. Psychoneuroendocrinology. 35:768-774. DOI: 10.1016/j.psyneuen.2009.10.018.

2009

Stanton S*, Beehner JC, Saini E*, Kuhn C, LaBar K. (2009) Dominance, politics, and physiology: Voters’ testosterone changes on the night of the 2008 U.S. Presidential election. PloS ONE. 4(10): e7543. DOI: 10.1371/journal.pone.0007543.

Beehner JC, Gesquiere L, Cheney DL, Seyfarth RM, Altmann J. (2009) Fecal testosterone related to age and life-history stages in male baboons and geladas. Hormones and Behavior. 56:472-480. DOI: 10.1016/j.yhbeh.2009.08.005.

Bergman TJ, Ho L*,Beehner JC. (2009) Chest color and social status in male geladas (Theropithecus gelada). International Journal of Primatology.30:791-806. DOI: 10.1007/s10764-009-9374-x.

Silk JB, Beehner JC, Bergman TJ, Crockford C, Engh AL, Moscovice LR, 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 of London, Series B. 276:3099-3104. DOI: 10.1098/rspb.2009.0681.

2008

Beehner JC, Bergman TJ. (2008) Infant mortality following unit takeovers in wild geladas.  American Journal of Primatology. 70:1-8. DOI: 10.1002/ajp.20497.

Beehner JC, McCann C. (2008) Seasonal and altitudinal effects on glucocorticoid metabolites in a wild primate (Theropithecus gelada). Physiology & Behavior. 95:508-514. DOI: 10.1016/j.physbeh.2008.07.022.

Bergman TJ, Beehner JC. (2008) A simple method for measuring colour variation in wild animals: Validation and use in geladas (Theropithecus gelada). Biological Journal of the Linnean Society. 94:231-240. DOI: 10.1111/j.1095-8312.2008.00981.x.

2007

Beehner JC, Gebre B, Bergman TJ, McCann C. (2007) Population estimate for geladas (Theropithecus gelada) living in and around the Simien Mountains National Park, Ethiopia. SINET Ethiopian Journal of Science. 30:149-154.

Kitchen DM, Beehner JC. (2007) Factors affecting individual participation in group-level aggression. Behaviour. 144:1551-1581. DOI: 10.1163/156853907782512074.

2006

Beehner JC, Onderdonk DA, Alberts SC, Altmann J. (2006) The ecology of conception and pregnancy failure in wild baboons. Behavioral Ecology. 17:741-740. DOI: 10.1093/beheco/arl006.

Beehner JC, Nguyen N, Wango EO, Alberts SC, Altmann J. (2006) The endocrinology of pregnancy and fetal loss in wild baboons. Hormones and Behavior. 49:688-699. DOI: 10.1016/j.yhbeh.2005.12.016.

Beehner JC, Bergman TJ, Cheney DL, Seyfarth RM, Whitten PL. (2006) Testosterone predicts future dominance rank and mating activity among male chacma baboons. Behavioral Ecology and Sociobiology. 59:469-479. DOI: 10.1007/s00265-005-0071-2.

Engh AL, Beehner JC, Bergman TJ, Whitten PL, 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 of London, Series B. 273:707-712. DOI: 10.1098/rspb.2005.3378.

Engh AL, Beehner JC, Bergman TJ, Whitten PL, Hoffmeier RR, Seyfarth RM, Cheney DL. (2006) Female hierarchy instability, male immigration and infanticide increase glucocorticoid levels in chacma baboons.Animal Behaviour. 71:1227-1237. DOI: 10.1016/j.anbehav.2005.11.009.

Bergman TJ, Beehner JC, Cheney DL, Seyfarth RM, Whitten PL. (2006) Interactions in male baboons: the importance of both males’ testosterone. Behavioral Ecology and Sociobiology. 59:480-489. DOI: 10.1007/s00265-005-0072-1.

2005

Beehner JC, Bergman TJ, Cheney DL, Seyfarth RM, Whitten PL. (2005) Effects of male social instability on female glucocorticoid levels in chacma baboons. Animal Behaviour. 69:1211-1221.DOI: 10.1016/j.anbehav.2005.11.009.

Beehner JC, Phillips-Conroy JE, Whitten PL. (2005) Female testosterone, dominance rank, and aggression in an Ethiopian population of hybrid baboons. American Journal of Primatology. 67:101-119. DOI: 10.1002/ajp.20172.

Bergman TJ, Beehner JC, Cheney DL, Seyfarth RM, Whitten, PL. (2005) Correlates of stress in free-ranging male chacma baboons. Animal Behaviour. 70:703-713. DOI: 10.1016/j.anbehav.2004.12.017.

2004

Beehner JC, Whitten PL. (2004) Modifications of a field method for fecal steroid analysis in baboons. Physiology & Behavior. 82:269-277.DOI: 10.1016/j.physbeh.2004.03.012.

Bergman TJ, Beehner JC. (2004) Social system of a hybrid baboon group (Papio hamadryas anubis x P. h. hamadryas). International Journal of Primatology. 25:1313-1330.DOI: 10.1023/B:IJOP.0000043964.01085.dc.

Cheney DL, Seyfarth RM, Fischer J, Beehner JC, Bergman TJ, Johnson SE, Kitchen DM, Palombit RA, Rendall D, Silk JB. (2004) Factors affecting reproduction and mortality among baboons in the Okavango Delta. International Journal of Primatology. 25:401-428.DOI: 10.1023/B:IJOP.0000019159.75573.13.

2003

Bergman TJ, Beehner JC, Cheney DL, Seyfarth RM. (2003) Hierarchical classification by rank and kinship in baboons. Science. 302:1234-1236.DOI: 10.1126/science.1087513.