Dr Fiona Stewart

School of Biological and Environmental Sciences

I am a part-time lecturer in wildlife and primate conservation. My research focuses on primate behavioural ecology and conservation at the Issa research site and the Greater Mahale Ecosystem (GME) in western Tanzania. Please see GMERC website below.

I have particular interests in great ape nest-building behaviour, sleep, and flexibility in sociality - in particular adaptation of chimpanzees to savanna woodland habitat. I also am involved in ongoing monitoring of chimpanzee and other wildlife populations across the GME using traditional line transect, genetic techniques, and other technologies including drones and camera trapping.

Journal article

Kalan AK, Kulik L, Arandjelovic M, Boesch C, Haas F, Dieguez P, Barratt CD, Abwe EE, Agbor A, Angedakin S, Aubert F, Ayimisin EA, Bailey E, Bessone M, Brazzola G, Buh VE, Chancellor R, Cohen H, Coupland C, Curran B, Danquah E, Deschner T, Dowd D, Eno-Nku M, Fay JM, Goedmakers A, Granjon AC, Head J, Hedwig D, Hermans V, Jeffery KJ, Jones S, Junker J, Kadam P, Kambi M, Kienast I, Kujirakwinja D, Langergraber KE, Lapuente J, Larson B, Lee KC, Leinert V, Llana M, Marrocoli S, Meier AC, Morgan B, Morgan D, Neil E, Nicholl S, Normand E, Ormsby LJ, Pacheco L, Piel A, Preece J, Robbins MM, Rundus A, Sanz C, Sommer V, Stewart F, Tagg N, Tennie C, Vergnes V, Welsh A, Wessling EG, Willie J, Wittig RM, Yuh YG, Zuberbühler K, Kühl HS. 2021. Author Correction: Environmental variability supports chimpanzee behavioural diversity (Nature Communications, (2020), 11, 1, (4451), 10.1038/s41467-020-18176-3) Nature Communications, 12 DOI Author Url

Barratt CD, Lester JD, Gratton P, Onstein RE, Kalan AK, McCarthy MS, Bocksberger G, White LC, Vigilant L, Dieguez P, Abdulai B, Aebischer T, Agbor A, Assumang AK, Bailey E, Bessone M, Buys B, Carvalho JS, Chancellor R, Cohen H, Danquah E, Deschner T, Dongmo ZN, Doumbé OA, Dupain J, Duvall CS, Eno‐Nku M, Etoga G, Galat‐Luong A, Garriga R, Gatti S, Ghiurghi A, Goedmakers A, Granjon A, Hakizimana D, Head J, Hedwig D, Herbinger I, Hermans V, Jones S, Junker J, Kadam P, Kambi M, Kienast I, Kouakou CY, N′Goran KP, Langergraber KE, Lapuente J, Laudisoit A, Lee KC, Maisels F, Mirghani N, Moore D, Morgan B, Morgan D, Neil E, Nicholl S, Nkembi L, Ntongho A, Orbell C, Ormsby LJ, Pacheco L, Piel AK, Pintea L, Plumptre AJ, Rundus A, Sanz C, Sommer V, Sop T, Stewart FA, Sunderland‐Groves J, Tagg N, Todd A, Ton E, Schijndel J, VanLeeuwe H, Vendras E, Welsh A, Wenceslau JFC, Wessling EG, Willie J, Wittig RM, Yoshihiro N, Yuh YG, Yurkiw K, Boesch C, Arandjelovic M, Kühl H. 2021. Quantitative estimates of glacial refugia for chimpanzees ( Pan troglodytes ) since the Last Interglacial (120,000 BP) American Journal of Primatology, DOI Author Url Publisher Url Public Url

Bueno de Mesquita CP, Nichols LM, Gebert MJ, Vanderburgh C, Bocksberger G, Lester JD, Kalan AK, Dieguez P, McCarthy MS, Agbor A, Álvarez Varona P, Ayimisin AE, Bessone M, Chancellor R, Cohen H, Coupland C, Deschner T, Egbe VE, Goedmakers A, Granjon A-C, Grueter CC, Head J, Hernandez-Aguilar RA, Jeffery KJ, Jones S, Kadam P, Kaiser M, Lapuente J, Larson B, Marrocoli S, Morgan D, Mugerwa B, Mulindahabi F, Neil E, Niyigaba P, Pacheco L, Piel AK, Robbins MM, Rundus A, Sanz CM, Sciaky L, Sheil D, Sommer V, Stewart FA, Ton E, van Schijndel J, Vergnes V, Wessling EG, Wittig RM, Ginath Yuh Y, Yurkiw K, Zuberbühler K, Gogarten JF, Heintz-Buschart A, Muellner-Riehl AN, Boesch C, Kühl HS, Fierer N, Arandjelovic M, Dunn RR. 2021. Structure of Chimpanzee Gut Microbiomes across Tropical Africa. mSystems, 6 :e0126920-e0126920 DOI Author Url Publisher Url Public Url

Carvalho JS, Graham B, Bocksberger G, Maisels F, Williamson EA, Wich S, Sop T, Amarasekaran B, Barca B, Barrie A, Bergl RA, Boesch C, Boesch H, Brncic TM, Buys B, Chancellor R, Danquah E, Doumbé OA, Le-Duc SY, Galat-Luong A, Ganas J, Gatti S, Ghiurghi A, Goedmakers A, Granier N, Hakizimana D, Haurez B, Head J, Herbinger I, Hillers A, Jones S, Junker J, Maputla N, Manasseh EN, McCarthy MS, Molokwu-Odozi M, Morgan BJ, Nakashima Y, N’Goran PK, Nixon S, Nkembi L, Normand E, Nzooh LDZ, Olson SH, Payne L, Petre CA, Piel AK, Pintea L, Plumptre AJ, Rundus A, Serckx A, Stewart FA, Sunderland-Groves J, Tagg N, Todd A, Vosper A, Wenceslau JFC, Wessling EG, Willie J, Kühl HS. 2021. Predicting range shifts of African apes under global change scenarios Diversity and Distributions: a journal of conservation biogeography, DOI Publisher Url Public Url

Chitayat AB, Wich SA, Lewis M, Stewart FA, Piel AK. 2021. Erratum: Ecological correlates of chimpanzee (Pan troglodytes schweinfurthii) density in Mahale Mountains National Park, Tanzania (PLoS ONE (2021) 16:2 (e0246628) DOI: 10.1371/journal.pone.0246628) PLoS ONE, 16 DOI Author Url

Russell RM, Bibollet-Ruche F, Liu W, Sherrill-Mix S, Li Y, Connell J, Loy DE, Trimboli S, Smith AG, Avitto AN, Gondim MVP, Plenderleith LJ, Wetzel KS, Collman RG, Ayouba A, Esteban A, Peeters M, Kohler WJ, Miller RA, François-Souquiere S, Switzer WM, Hirsch VM, Marx PA, Piel AK, Stewart FA, Georgiev AV, Sommer V, Bertolani P, Hart JA, Hart TB, Shaw GM, Sharp PM, Hahn BH. 2021. CD4 receptor diversity represents an ancient protection mechanism against primate lentiviruses. Proceedings of the National Academy of Sciences of the United States of America, 118 DOI Author Url Publisher Url Public Url

Lester JD, Vigilant L, Gratton P, McCarthy MS, Barratt CD, Dieguez P, Agbor A, Álvarez-Varona P, Angedakin S, Ayimisin EA, Bailey E, Bessone M, Brazzola G, Chancellor R, Cohen H, Danquah E, Deschner T, Egbe VE, Eno-Nku M, Goedmakers A, Granjon A-C, Head J, Hedwig D, Hernandez-Aguilar RA, Jeffery KJ, Jones S, Junker J, Kadam P, Kaiser M, Kalan AK, Kehoe L, Kienast I, Langergraber KE, Lapuente J, Laudisoit A, Lee K, Marrocoli S, Mihindou V, Morgan D, Muhanguzi G, Neil E, Nicholl S, Orbell C, Ormsby LJ, Pacheco L, Piel A, Robbins MM, Rundus A, Sanz C, Sciaky L, Siaka AM, Städele V, Stewart F, Tagg N, Ton E, van Schijndel J, Vyalengerera MK, Wessling EG, Willie J, Wittig RM, Yuh YG, Yurkiw K, Zuberbuehler K, Boesch C, Kühl HS, Arandjelovic M. 2021. Recent genetic connectivity and clinal variation in chimpanzees. Communications Biology, 4 :283-283 DOI Author Url Publisher Url Public Url

Amato KR, Chaves ÓM, Mallott EK, Eppley TM, Abreu F, Baden AL, Barnett AA, Bicca-Marques JC, Boyle SA, Campbell CJ, Chapman CA, De la Fuente MF, Fan P, Fashing PJ, Felton A, Fruth B, Fortes VB, Grueter CC, Hohmann G, Irwin M, Matthews JK, Mekonnen A, Melin AD, Morgan DB, Ostner J, Nguyen N, Piel AK, Pinacho-Guendulain B, Quintino-Arêdes EP, Razanaparany PT, Schiel N, Sanz CM, Schülke O, Shanee S, Souto A, Souza-Alves JP, Stewart F, Stewart KM, Stone A, Sun B, Tecot S, Valenta K, Vogel ER, Wich S, Zeng Y. 2021. Fermented food consumption in wild nonhuman primates and its ecological drivers. American Journal of Physical Anthropology, DOI Author Url Publisher Url Public Url

Chitayat A, Wich S, Lewis M, Stewart F, Piel AK. 2021. Ecological correlates of chimpanzee (Pan troglodytes schweinfurthii) density in Mahale Mountains National Park, Tanzania PLOSONE, DOI Author Url Public Url

Phillips S, Scheffrahn RH, Piel A, Stewart F, Agbor A, Brazzola G, Tickle A, Sommer V, Dieguez P, Wessling EG, Arandjelovic M, Kühl H, Boesch C, Oelze VM. 2021. Limited evidence of C4 plant consumption in mound building Macrotermes termites from savanna woodland chimpanzee sites. PLoS One, 16 :e0244685-e0244685 DOI Author Url Publisher Url Public Url

Fontsere C, Alvarez-Estape M, Lester J, Arandjelovic M, Kuhlwilm M, Dieguez P, Agbor A, Angedakin S, Ayuk Ayimisin E, Bessone M, Brazzola G, Deschner T, Eno-Nku M, Granjon A-C, Head J, Kadam P, Kalan AK, Kambi M, Langergraber K, Lapuente J, Maretti G, Jayne Ormsby L, Piel A, Robbins MM, Stewart F, Vergnes V, Wittig RM, Kuhl HS, Marques-Bonet T, Hughes DA, Lizano E. 2020. Maximizing the acquisition of unique reads in noninvasive capture sequencing experiments Molecular Ecology Resources, DOI Author Url Publisher Url Public Url

Bonnin N, Stewart F, Wich S, Pintea L, Jantz S, Dickson R, Bellis J, Chitayat A, Ingram R, Moore R, Piel A. 2020. Modelling landscape connectivity change for chimpanzee conservation in Tanzania Biological Conservation, DOI Author Url Public Url

Dickson R, Baker M, Bonnin N, Shoch D, Rifkin B, Stewart FA, Piel AK. 2020. Combining Deforestation and Species Distribution Models to Improve Measures of Chimpanzee Conservation Impacts of REDD: A Case Study from Ntakata Mountains, Western Tanzania Forests, 11 DOI Author Url Publisher Url Public Url

Kalan AK, Kulik L, Arandjelovic M, Boesch C, Haas F, Dieguez P, Barratt CD, Abwe EE, Agbor A, Angedakin S, Aubert F, Ayimisin EA, Bailey E, Bessone M, Brazzola G, Buh VE, Chancellor R, Cohen H, Coupland C, Curran B, Danquah E, Deschner T, Dowd D, Eno-Nku M, Fay JM, Goedmakers A, Granjon A-C, Head J, Hedwig D, Hermans V, Jeffery KJ, Jones S, Junker J, Kadam P, Kambi M, Kienast I, Kujirakwinja D, Langergraber KE, Lapuente J, Larson B, Lee KC, Leinert V, Llana M, Marrocoli S, Meier AC, Morgan B, Morgan D, Neil E, Nicholl S, Normand E, Ormsby LJ, Pacheco L, Piel A, Preece J, Robbins MM, Rundus A, Sanz C, Sommer V, Stewart F, Tagg N, Tennie C, Vergnes V, Welsh A, Wessling EG, Willie J, Wittig RM, Yuh YG, Zuberbuhler K, Kuehl HS. 2020. Environmental variability supports chimpanzee behavioural diversity NATURE COMMUNICATIONS, 11 DOI Author Url Public Url

Boesch C, Kalan AK, Mundry R, Arandjelovic M, Pika S, Dieguez P, Ayimisin EA, Barciela A, Coupland C, Egbe VE, Eno-Nku M, Fay JM, Fine D, Hernandez-Aguilar RA, Hermans V, Kadam P, Kambi M, Llana M, Maretti G, Morgan D, Murai M, Neil E, Nicholl S, Ormsby LJ, Orume R, Pacheco L, Piel A, Sanz C, Sciaky L, Stewart FA, Tagg N, Wessling EG, Willie J, Kuehl HS. 2020. Chimpanzee ethnography reveals unexpected cultural diversity (vol 86, pg 327, 2020) NATURE HUMAN BEHAVIOUR, 4 :984-984 DOI Author Url

Lile CW, McLester E, Stewart FA, Piel AK. 2020. Red-tailed monkeys (Cercopithecus ascanius) prey upon and mob birds in the Issa Valley, western Tanzania PRIMATES, 61 :563-566 DOI Author Url Public Url

Boesch C, Kalan AK, Mundry R, Arandjelovic M, Pika S, Dieguez P, Ayuk Ayimisin E, Barciela A, Coupland C, Ebot Egbe V, Eno-Nku M, Fay JM, Fine D, Hernandez Aguilar RA, Hermans V, Kadam P, Kambi M, Llana M, Maretti G, Morgan D, Murai M, Neil E, Nicholl S, Ormsby LJ, Orume R, Pacheco L, Piel A, Sanz C, Sciaky L, Stewart F, Tagg N, Wessling EG, Willie J, Kühl HS. 2020. Chimpanzee Ethnography Reveals Unexpected Cultural Diversity Nature Human Behaviour, DOI Author Url Publisher Url Public Url

McLester E, Pintea L, Stewart FA, Piel AK. 2019. Cercopithecine and Colobine Abundance Across Protected and Unprotected Land in the Greater Mahale Ecosystem, Western Tanzania International Journal of Primatology, DOI Author Url Publisher Url Public Url

Kühl KS, Boesch C, Kulik L, Haas F, Arandjelovic M, Dieguez P, Bocksberger G, Brooke McElreath M, Agbor A, Angedakin A, Ayuk Ayimisin E, Bailey E, Barubiyo D, Bessone M, Brazzola G, Chancellor R, Cohen H, Coupland C, Danquah E, Deschner T, Diotoh O, Dowd D, Dunn A, Ebot Egbe V, Eshuis H, Fernandez R, Ginath Y, Goedmakers A, Granjon AC, Head J, Hedwig D, Hermans V, Imong I, Jeffery KJ, Jones S, Junker J, Kadam P, Kambere M, Kambi M, Kienast I, Kujirakwinja D, Langergraber K, Lapuente J, Larson B, Lee K, Leinert V, Llana M, Maretti G, Marrocoli S, Mbi TJ, Meier AC, Morgan B, Morgan D, Mulindahabi F, Murai M, Neil E, Niyigaba P, Ormsby LJ, Pacheco L, Piel A, Preece J, Regnaut S, Rundus A, Sanz C, van Schijndel J, Sommer V, Stewart F, Tagg N, Vendras E, Vergnes V, Welsh A, Wessling EG, Willie J, Wittig RM, Yurkiw K, Zuberbuehler K, Kalan AK. 2019. Human impact erodes chimpanzee behavioral diversity Science, DOI Author Url

Brožová K, Modrý D, Dadáková E, Mapua MI, Piel AK, Stewart F, Celer V, Hrazdilová K. 2019. PARV4 found in wild chimpanzee faeces - alternate route of transmission? Archives of Virology, 164 :573-578 DOI Author Url Public Url

Bibollet-Ruche F, Russell RM, Liu W, Stewart-Jones GBE, Sherrill-Mix S, Li Y, Learn GH, Smith AG, Gondim MVP, Plenderleith LJ, Decker JM, Easlick JL, Wetzel KS, Collman RG, Ding S, Finzi A, Ayouba A, Peeters M, Leendertz FH, van Schijndel J, Goedmakers A, Ton E, Boesch C, Kuehl H, Arandjelovic M, Dieguez P, Murai M, Colin C, Koops K, Speede S, Gonder MK, Muller MN, Sanz CM, Morgan DB, Atencia R, Cox D, Piel A, Stewart FA, Ndjango J-BN, Mjungu D, Lonsdorf EV, Pusey AE, Kwong PD, Sharp PM, Shaw GM, Hahn BH. 2019. CD4 receptor diversity in chimpanzees protects against SIV infection Proceedings of the National Academy of Sciences, DOI Author Url Public Url

McLester E, Sweeney K, Stewart FA, Piel AK. 2018. Leopard (Panthera pardus) predation on a red-tailed monkey (Cercopithecus ascanius) in the Issa Valley, western Tanzania. Primates, DOI Author Url Publisher Url Public Url

Piel AK, Bonnin N, RamirezAmaya S, Wondra E, Stewart FA. 2018. Chimpanzees and their mammalian sympatriates in the Issa Valley, Tanzania African Journal of Ecology, 57 :31-40 DOI Author Url Publisher Url Public Url

Barbian HJ, Connell AJ, Avitto AN, Russell RM, Smith AG, Gundlapally MS, Shazad AL, Li Y, Bibollet-Ruche F, Wroblewski EE, Mjungu D, Lonsdorf EV, Stewart F, Piel AK, Pusey AE, Sharp PM, Hahn BH. 2018. CHIIMP: An automated high-throughput microsatellite genotyping approach reveals greater allelic diversity in wild chimpanzees Ecology and Evolution, 8 :7946-7963 DOI Author Url Publisher Url Public Url

van Casteren A, Oelze VM, Angedakin S, Kalan AK, Kambi M, Boesch C, Kühl HS, Langergraber KE, Piel AK, Stewart FA, Kupczik K. 2018. Food mechanical properties and isotopic signatures in forest versus savannah dwelling eastern chimpanzees Communications Biology, DOI Author Url Publisher Url Public Url

Qablan MA, Schulz D, Profousova-Psenkova I, Vallo P, Fuh T, Modry D, Piel AK, Stewart FA, Petrzelkova KJ, Fliegerová K. 2018. Anaerobic fungi (class Neocallimastigomycetes) in the gastrointestinal tract of gorillas: an adaptation to a high-fibrous diet International Journal of Primatology, DOI Author Url Publisher Url Public Url

Tagg N, McCarthy M, Dieguez P, Bocksberger G, Willie J, Mundry R, Stewart F, Arandjelovic M, Widness J, Landsmann A, Agbor A, Angedakin S, Ayimisin AE, Bessone M, Brazzola G, Corogenes K, Deschner T, Dilambaka E, Eno-Nku M, Eshuis H, Goedmakers A, Granjon AC, Head J, Hermans, V, Jones S, Kadam P, Kambi M, Langergraber K, Lapeyre V, Lapuente J, Lee K, Leinert V, Maretti G, Marrocoli S, Meier A, Nicholl S, Normand E, Ormsby LJ, Piel AK, Robinson O, Sommer V, de Heegde M, Tickle A, Ton E, van Schijndel J, Vanleeuwe H, Vergnes V, Wessling E, Wittig R, Zuberbuehler K, Kuehl H, Boesch C. 2018. Nocturnal activity in wild chimpanzees (Pan troglodytes): evidence for flexible sleeping patterns and insights into human evolution Corogenes K. American Journal of Physical Anthropology, 166 :510-529 DOI Author Url Public Url

Stewart FA, Piel AK, Azkarate JC, Pruetz JD. 2018. Savanna chimpanzees adjust sleeping nest architecture in response to local weather conditions American Journal of Physical Anthropology, 166 :549-562 DOI Author Url Public Url

Fruth B, Tagg N, Stewart F. 2018. Sleep and nesting behavior in primates: A review American Journal of Physical Anthropology, 166 :499-509 DOI Author Url Publisher Url Public Url

Chuma IS, Batamuzi EK, Collins DA, Fyumagwa RD, Hallmaier-Wacker LK, Kazwala RR, Keyyu JD, Lejora IA, Lipende IF, Lüert S, Paciência FMD, Piel AK, Stewart FA, Zinner D, Roos C, Knauf S. 2018. Widespread Treponema pallidum Infection in Nonhuman Primates, Tanzania Emerging Infectious Diseases, 24 DOI Author Url Publisher Url Public Url

Sherrill-Mix S, McCormick K, Lauder A, Bailey A, Zimmerman L, Li Y, Django J-BN, Bertolani P, Colin C, Hart JA, Hart TB, Georgiev AV, Sanz CM, Morgan DB, Atencia R, Cox D, Muller MN, Sommer V, Piel AK, Stewart FA, Speede S, Roman J, Wu G, Taylor J, Bohm R, Rose HM, Carlson J, Mjungu D, Schmidt P, Gaughan C, Bushman JI, Schmidt E, Bittinger K, Collman RG, Hahn BH, Bushman FD. 2018. Allometry and Ecology of the Bilaterian Gut Microbiome. MBio, 9 DOI Author Url Publisher Url Public Url

Stewart FA, Piel AK, Luncz L, Osborn J, Li Y, Hahn BH, Haslam M. 2018. DNA recovery from wild chimpanzee tools PLoS ONE, DOI Author Url Publisher Url Public Url

Piel AK, Strampelli P, Greathead E, Hernandez-Aguilar RA, Moore J, Stewart FA. 2017. The diet of open-habitat chimpanzees (Pan troglodytes schweinfurthii) in the Issa valley, western Tanzania Journal of Human Evolution, 112 :57-69 DOI Author Url Publisher Url Public Url

Dadáková E, Brožová K, Piel AK, Stewart FA, Modrý D, Celer V, Hrazdilová K. 2017. Adenovirus infection in savanna chimpanzees (Pan troglodytes schweinfurthii) in the Issa Valley, Tanzania Archives of Virology, DOI Author Url Publisher Url Public Url

Moore J, Black J, Hernandez-Aguilar RA, Idani G, Piel AK, Stewart FA. 2017. Chimpanzee vertebrate consumption: Savanna and forest chimpanzees compared Journal of Human Evolution, 112 :30-40 DOI Author Url Publisher Url Public Url

Haslam M, Hernandez-Aguilar RA, Proffitt T, Arroyo A, Falótico T, Fragaszy D, Gumert M, Harris JWK, Huffman M, Kalan AK, Malaivijitnond S, Matsuzawa T, McGrew W, Ottoni EB, Pascual-Garrido A, Piel AK, Pruetz J, Schuppli C, Stewart FA, Tan A, Visalberghi E, Luncz LV. 2017. Primate Archaeology Evolves Nature Ecology and Evolution, DOI Author Url Publisher Url Public Url

Piel AK, Chitayat A, Stewart F. 2017. Grooming Hand Clasp by Chimpanzees (Pan troglodytes schweinfurthii) in the Issa Valley, Western Tanzania Pan Africa News, DOI Publisher Url Public Url

Wondra E, van Casteren A, Pascual-Garrido A, Stewart F, Piel AK. 2016. A New Report of Chimpanzee Ant-fishing from the Issa Valley, Tanzania African Primates, 11 :1-18 Publisher Url Public Url

McLester E, Stewart F, Piel AK. 2016. Observation of an Encounter between African Wild Dogs (Lycaon pictus) and a Chimpanzee (Pan troglodytes schweinfurthii) in the Issa Valley, Tanzania African Primates, 11 :27-36 Publisher Url Public Url

Jirků-Pomajbíková K, Čepička I, Kalousová B, Jirků M, Stewart F, Levecke B, Modrý D, Piel AK, Petrželková KJ. 2016. Molecular identification of Entamoeba species in savanna woodland chimpanzees (Pan troglodytes schweinfurthii). Parasitology, :1-8 DOI Author Url Public Url

Kuhl HS, Kalan AK, Arandjelovic M, Aubert F, D’Auvergne L, Goedmakers A, Jones S, Kehoe L, Regnaut S, Tickle A, Ton E, van Schijndel J, Abwe EE, Angedakin S, Agbor A, Ayimisin EA, Bailey E, Bessone M, Bonnet M, Brazolla G, Buh VE, Chancellor R, Cipoletta C, Cohen H, Corogenes K, Coupland C, Curran B, Deschner T, Dierks K, Dieguez P, Dilambaka E, Diotoh O, Dowd D, Dunn A, Eshuis H, Fernandez R, Ginath Y, Hart J, Hedwig D, Ter Heegde M, Cleveland Hicks T, Imong I, Jeffery KJ, Junker J, Kadam P, Kambi M, Kienast I, Kujirakwinja D, Langergraber K, Lapeyre V, Lapuente J, Lee K, Leinert V, Meier A, Maretti G, Marrocoli S, Mbi TJ, Mihindou V, Moebius Y, Morgan D, Morgan B, Mulindahabi F, Murai M, Niyigabae P, Normand E, Ntare N, Ormsby LJ, Piel AK, Pruetz J, Rundus A, Sanz C, Sommer V, Stewart FA, Tagg N, Vanleeuwe H, Vergnes V, Willie J, Wittig RM, Zuberbuehler K, Boesch C. 2016. Chimpanzee accumulative stone throwing Scientific Reports, 6 DOI Author Url Publisher Url Public Url

Ramirez-Amaya S, McLester E, Stewart FA, K.Piel A. 2015. Savanna Chimpanzees (Pan troglodytes schweinfurthii) Consume and Share Blue Duiker (Philantomba monticola) Meat in the Issa Valley, Ugalla, Western Tanzania Pan Africa News, 22 :17-21 DOI

Piel AK, Cohen N, Kamenya S, Ndimuligo SA, Pintea L, Stewart FA. 2015. Population Status of Chimpanzees in the Masito-Ugalla Ecosystem, Tanzania AMERICAN JOURNAL OF PRIMATOLOGY, 77 :1027-1035 DOI Author Url Public Url

Johnson C, Piel AK, Forman D, Stewart FA, King AJ. 2015. The ecological determinants of baboon troop movements at local and continental scales MOVEMENT ECOLOGY, 3 DOI Author Url Public Url

Piel AK, Lenoel A, Johnson C, Stewart FA. 2015. Deterring poaching in western Tanzania: The presence of wildlife researchers GLOBAL ECOLOGY AND CONSERVATION, 3 :188-199 DOI Author Url Public Url

Kalousova B, Piel AK, Pomajbikova K, Modry D, Stewart FA, Petrzelkova KJ. 2014. Gastrointestinal Parasites of Savanna Chimpanzees (Pan troglodytes schweinfurthii) in Ugalla, Tanzania INTERNATIONAL JOURNAL OF PRIMATOLOGY, 35 :463-475 DOI Author Url

Liu W, Li Y, Shaw KS, Learn GH, Plenderleith LJ, Malenke JA, Sundararaman SA, Ramirez MA, Crystal PA, Smith AG, Bibollet-Ruche F, Ayouba A, Locatelli S, Esteban A, Mouacha F, Guichet E, Butel C, Ahuka-Mundeke S, Inogwabini B-I, Ndjango J-BN, Speede S, Sanz CM, Morgan DB, Gonder MK, Kranzusch PJ, Walsh PD, Georgiev AV, Muller MN, Piel AK, Stewart FA, Wilson ML, Pusey AE, Cui L, Wang Z, Farnert A, Sutherland CJ, Nolder D, Hart JA, Hart TB, Bertolani P, Gillis A, LeBreton M, Tafon B, Kiyang J, Djoko CF, Schneider BS, Wolfe ND, Mpoudi-Ngole E, Delaporte E, Carter R, Culleton RL, Shaw GM, Rayner JC, Peeters M, Hahn BH, Sharp PM. 2014. African origin of the malaria parasite Plasmodium vivax NATURE COMMUNICATIONS, 5 DOI Author Url Public Url

Stewart FA, Piel AK. 2014. Termite fishing by wild chimpanzees: new data from Ugalla, western Tanzania PRIMATES, 55 :35-40 DOI Author Url

McGrew WC, Matsumoto T, Nakamura M, Phillips CA, Stewart FA. 2014. Experimental primate archaeology: Detecting stone handling by Japanese macaques (Macaca fuscata) Lithic Technology, 39 :113-121 DOI

Stewart FA, Pruetz JD. 2013. Do Chimpanzee Nests Serve an Anti-Predatory Function? AMERICAN JOURNAL OF PRIMATOLOGY, 75 :593-604 DOI Author Url

Piel AK, Stewart FA, Pintea L, Li Y, Ramirez MA, Loy DE, Crystal PA, Learn GH, Knapp LA, Sharp PM, Hahn BH. 2013. The Malagarasi River Does Not Form an Absolute Barrier to Chimpanzee Movement in Western Tanzania PLOS ONE, 8 DOI Author Url Public Url

Gonzalez-Moreno O, Hernandez-Aguilar RA, Piel AK, Stewart FA, Gracenea M, Moore J. 2013. Prevalence and climatic associated factors of Cryptosporidium sp infections in savanna chimpanzees from Ugalla, Western Tanzania PARASITOLOGY RESEARCH, 112 :393-399 DOI Author Url

Stewart FA, Piel AK, O'Malley RC. 2012. Responses of chimpanzees to a recently dead community member at Gombe National Park, Tanzania AMERICAN JOURNAL OF PRIMATOLOGY, 74 :1-7 DOI Author Url

Stewart FA, Piel AK, McGrew WC. 2011. Living archaeology: Artefacts of specific nest site fidelity in wild chimpanzees JOURNAL OF HUMAN EVOLUTION, 61 :388-395 DOI Author Url

Rudicell RS, Piel AK, Stewart F, Moore DL, Learn GH, Li Y, Takehisa J, Pintea L, Shaw GM, Moore J, Sharp PM, Hahn BH. 2011. High Prevalence of Simian Immunodeficiency Virus Infection in a Community of Savanna Chimpanzees JOURNAL OF VIROLOGY, 85 :9918-9928 DOI Author Url

Stewart FA. 2011. Brief Communication: Why Sleep in a Nest? Empirical Testing of the Function of Simple Shelters Made by Wild Chimpanzees AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY, 146 :313-318 DOI Author Url

Stewart FA, Pruetz JD, Hansell MH. 2007. Do chimpanzees build comfortable nests? AMERICAN JOURNAL OF PRIMATOLOGY, 69 :930-939 DOI Author Url

Piel AK. A comparative molecular survey of malaria prevalence among Eastern chimpanzee populations in the Issa valley (Tanzania) and Kalinzu (Uganda) MALARIA JOURNAL, DOI Author Url Public Url

Thoemmes MS, Stewart FA, Hernandez-Aguilar RA, Bertone MA, Baltzegar DA, Borski RJ, Cohen N, Coyle KP, Piel AK, Dunn RR. Ecology of Sleeping: The Microbial and Arthropod Associates of Chimpanzee Beds Royal Society Open Science, DOI Author Url Public Url

Piel A, Stewart F. Food abundance and weather influence habitat-specific ranging patterns in forest- and savanna mosaic-dwelling red-tailed monkeys (Cercopithecus ascanius) American Journal of Physical Anthropology, DOI Author Url Public Url

Piel A, Stewart F. Strain diversity of Treponema pallidum subsp. pertenue suggests rare interspecies 4 transmission in African nonhuman primates Scientific Reports, DOI Author Url Public Url

Piel A, Stewart F. Comparing methods for assessing chimpanzee (Pan troglodytes schweinfurthii) party size: observations, camera traps and bed counts from a savanna-woodland mosaic in the Issa valley, Tanzania International Journal of Primatology, DOI Author Url Public Url

Stewart FA, Pruetz JD. Sex Bias and Social Influences on Savanna Chimpanzee (Pan troglodytes verus) Nest Building Behavior International Journal of Primatology, DOI Author Url Public Url

Conference publication

McLester E, Brown M, Stewart FA, Piel AK. 2020. Thermal Constraints on Habitat Use in Forest- and Savanna Mosaic-Dwelling Red-tailed Monkeys (Cercopithecus ascanius) FOLIA PRIMATOLOGICA, 91 :348-348 Author Url

Fornof LJ, Stewart FA, Piel AK. 2020. Anti-predatory strategies produce distinct landscapes of fear mediated by social and environmental factors in red-tailed monkeys (Cercopithecus ascanius) AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY, 89th Annual Meeting of the American-Association-of-Physical-Anthropologists (AAPA) 171 :88-89 Author Url

Marchant LF, Piel AK, Stewart FA. 2019. Revisiting the savanna chimpanzee (Pan troglodytes) as a referential model for hominin origins: Issa, Tanzania as a case study AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY, 88th Annual Meeting of the American-Association-of-Physical-Anthropologists (AAPA) 168 :153-153 Author Url

Piel AK, Chitayat A, Strampelli P, Stewart FA. 2018. Figs are important, but not fallback foods for chimpanzees in the Issa Valley, Tanzania AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY, 87th Annual Meeting of the American-Association-of-Physical-Anthropologists (AAPA) 165 :208-208 Author Url

Scully EJ, Liu W, Ndjango J-BN, Peeters M, Mjungu DC, Pusey AE, Lonsdorf EV, Sanz CM, Morgan DB, Piel AK, Stewart FA, Gonder MK, Simmons N, Asiimwe C, Zuberbhler K, Koops K, Chapman CA, Duraisingh MT, Hahn BH, Wrangham RW. 2017. VARIATION IN AMBIENT TEMPERATURE DRIVES THE SEASONALITY OF MALARIA PARASITISM IN WILD CHIMPANZEE RESERVOIRS ACROSS EQUATORIAL AFRICA AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 66th Annual Meeting of the American-Society-of-Tropical-Medicine-and-Hygiene (ASTMH) 97 :503-503 Author Url

Piel AK, Strampelli P, Greathead E, Hernandez-Aguilar RA, Moore J, Stewart FA. 2016. The diet of savanna-woodland chimpanzees (Pan troglodytes schweinfurthii) at Issa, western Tanzania AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY, 85th Annual Meeting of the American-Association-of-Physical-Anthropologists 159 :252-252 Author Url

Editorial/letter to the editor

Kuehl HS, Boesch C, Kulik L, Haas F, Arandjelovic M, Dieguez P, Bocksberger G, Agbor A, Angedakin S, Ayimisin EA, Bessone M, Brazzola G, Chancellor R, Cohen H, Coupland C, Danquah E, Deschner T, Dowd D, Goedmakers A, Granjon A-C, Head J, Hedwig D, Hermans V, Jones S, Junker J, Langergraber KE, Lapuente J, Lee K, Llana M, Marrocoli S, Martin R, McCarthy MS, Meier AC, Morgan D, Murai M, Neil E, Normand E, Ormsby LJ, Pacheco L, Piel A, Regnaut S, Rundus A, Sanz C, Stewart F, Tagg N, Vergnes V, Welsh A, Wessling EG, Willie J, Wittig RM, Yuh YG, Yurkiw K, Kalan AK. 2019. Inclusive chimpanzee conservation Response SCIENCE, 364 :1040-1041 DOI Author Url

Other

Piel AK, Stewart FA, Pintea L, Li Y, Ramirez MA, Loy DE, Crystal PA, Learn GH, Knapp LA, Sharp PM, Hahn BH. 2017. The Malagarasi River Does Not Form an Absolute Barrier to Chimpanzee Movement in Western Tanzania (vol 8, e58965, 2013) PLOS ONE, 12 DOI Author Url

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