(indicates undergraduate*, post-graduate**, graduate***, and          postdoctoral**** students and mentees at time of research)

2024

Eppley, TM, KE Reuter, TM Sefczek, J Tinsman, L Santini, S Hoeks, … CD Knott… RA Mittermeier (2024). Tropical field stations yield high conservation return on investment. Conservation Letters, e13007. https://doi.org/10.1111/conl.13007

Scott AM***, G Banes, W Setiadi, J Saragih, TW Susanto**, T Mitra Setia & CD Knott (2024). Flanged Males have Higher Reproductive Success in a Completely Wild Orangutan Population. PLoS ONE 19(2): e0296688.  https://doi.org/10.1371/journal.pone.0296688

2023

Scott AM***, TW Susanto**, T Mitra-Setia, & CD Knott (2023) Mother-offspring proximity maintenance as an infanticide avoidance strategy in bornean orangutans (Pongo pygmaeus wurmbii) American Journal of Primatology85(6), e23482.https://doi.org/10.1002/ajp.23482

2022

Durgavich, LS***, FS Harwell*** & CD Knott. (2022). A composite menstrual cycle of captive orangutans, with associated hormonal and behavioral variability American Journal of Primatology, e23420. https://doi.org/10.1002/ajp.23420


DiGiorgio, A***, Y Ma, Y Upton, S Gopal, N Robinson*, TW Susanto** & CD Knott. (2022). Famished Frugivores or Choosy Consumers: A generalist frugivore (wild Bornean Orangutans, Pongo pygmaeus wurmbii) leaves available fruit for non-fruit foods. International Journal of Primatology. https://doi.org/10.1007/s10764-022-00347-2

Brown, ER*, TG Laman, EE Kane****, FS Harwell***, TW Susanto** & CD Knott (2022). Application of a parallel laser apparatus to measure forearms and flanges of wild Bornean orangutans (Pongo pygmaeous wurmbii) American Journal of Physical Anthropology, 84, e23445. https://doi.org/10.1002/ajp.23445

Lameira, AR, G Santamaría-Bonfil, D Galeone, M Gamba, ME Hardus, CD Knott, H Morrogh-Bernard, MG Nowak, G Campbell-Smith & SA Wich. (2022). Sociality predicts orangutan vocal phenotype. Nature Ecology and Evolution, 6, 644-652.

Santika, T, J Sherman, M Voigt, M Ancrenaz, SA Wich, KA Wilson, HP Possingham, E Massingham, DJI Seaman, AM Ashbury, A. M., CD Knott…E Meijaard. (2022). Effectiveness of 20 years of conservation investments in protecting orangutans. Current Biology, 32, 1-10.

Knott, CD, AM Scott***, CA O’Connell***, TW Susanto** & EE Kane****. (2021). Field laboratories for non-invasive wildlife and habitat health assessment and conservation. In: S. A. Wich, & A. K. Piel, (Eds.), Field Methods for Conservation (pp. 129-156). Oxford: Oxford University Press.

 

2021

 

Knott CD, EE Kane**** & TW Susanto**. (2021). Building Collboration for 

Orangutan Conservation. Biological Conservation

 

Seidlera R, RB Primack, VR Goswami, S Khaling, MS Devy RT Corlett, CD Knott, EE Kane****, TW Susanto**, E Otali et al. . (2021). Confronting ethical challenges in long-term research programs in the tropics. Biological Conservation. https://doi.org/10.1016/j.biocon.2020.108933

Knott CD, EE Kane****, M Achmad, B Barrow**, ML Bastian****, J Beck, AB Blackburn***, TL Breeden**, CL Conklin-Brittain, JJ Brousseau*, et al. (2021). The Gunung Palung Orangutan Project: Twenty-five years at the intersection of research and conservation in a critical landscape in Indonesia. Biological Conservation.225:108856 https://doi.org/10.1016/j.biocon.2020.108856.

Knott CD and Harwell FS***. (2021). Ecological Risk Aversion and the Evolution of Great Ape Life Histories. In: L Hopper and S Ross, (Eds.), Chimpanzees in Context. Chicago: University of Chicago Press.

2020

DiGiorgio A***, EM Upton, TW Susanto** and CD Knott. (2020). Wild Bornean orangutan (Pongo pygmaeus wurmbii) Feeding Rates and the Marginal Value Theorem. American Journal of Primatology.

2019

Norconk MA, S Atsalis, G Tully, A Santillán-Doherty, S Waters, CD Knott, SR Ross, S Shanee, and D Stiles (2019). Reducing the live primate trade: actions for primatologists. American Journal of Primatology.

O’Connell C*** and CD Knott. (2019). Sociosexual Behavioral Patterns involving Nulliparous Female Orangutans (Pongosp.) Reflect Unique Challenges during the Adolescent Period. American Journal of Primatology/Developmental Psychobiology, Special Issue on Psychobiological Development in Primates. DOI: 10.1002/ajp.23058

Scott AM***, CD Knottand TW Susanto**. (2019). Are Male Orangutans a Threat to Infants? Mother-Offspring Interactions with Males in Wild Pongo pygmaeus wurmbii.International Journal of Primatology. doi.org/10.1007/s10764-019-00097-8

Knott CD, AM Scott***, CA O’Connell***, KS Scott**, TG Laman, Riyandi and TW Susanto**. (2019). Possible Male Infanticide in Wild Orangutans and a Re-evaluation of Infanticide Risk. Scientific Reports. 9:7806.

Freund, CA**, M Achmad**, P Kanisius**, R Naruri**, E Tang**, and CD Knott. (2019). Conserving Orangutans One Classroom at a Time: Evaluating the Effectiveness of a Wildlife Education Program for School-Aged Children in Indonesia. Animal Conservation.

2018

van Noordwijk MA, SS Utami Atmoko, CD Knott, N Kuze, HC Morrogh-Bernard, F Oram, C Schuppli, CP van Schaik, and EP Willems. (2018). The Slow Ape: High Infant Survival and Long Inter-Birth Intervals in Orangutans.Journal of Human Evolution. 125: 38-49.

2017

Knott CD. (2017). Sexual Coercion. In: A Fuentes (Ed.), The International Encyclopedia of Primatology. John Wiley & Sons, Inc.  p. 1272-1275.

Lameira, A.R., Vicente, R., Alexandre, A., Campbell-Smith, G., Knott, C.D., Wich, S.A., Hardus, M.E. (2017) Proto-consonants were information-dense via identical bioacoustic tags to proto-vowels. Nature Human Behavior,  1 (2): 44-48. pdf

2016

Freund CA**, E Rahman** and CD Knott. (2016). Ten Years of Orangutan-Related Wildlife Crime Investigation in West Kalimantan, Indonesia. American Journal of Primatology. 78: 1-11.

2015

Knott, CD. (2015). Orangutans: Sexual Coercion and Sexual Diversity.In: P Whelehan and A. Bolin (Eds.), InternationalEncyclopedia of Human Sexuality. John Wiley & Sons, Inc. p. 837-838

Knott, CD. (2015). Rape, NonHuman.In: P Whelehan and A. Bolin (Eds.), InternationalEncyclopedia of Human Sexuality. John Wiley & Sons, Inc.  p. 1065-1067.

2013

Lameira, A. R., Hardus, M. E., Nouwen, K. J. J. M., Topelberg, E., Delgado, R. A., Spruijt, B. M., Sterck, E. H. M., Knott, C. D., Wich, S. A. (2013) Population-specific use of the same tool-assisted alarm call between two wild orangutan populations (Pongo pygmaeus wurmbii) indicates functional arbitrariness. PLOS ONE, 8 (7): 1-7. pdf

2012

Thompson, M. E., Zhou, A., Knott, C. D. (2012). Low testosterone correlates with delayed development in male orangutans. PLOS ONE, 7 (10): 1-7. pdf

Laurance, W., …Knott, C. D. et al., (2012). Averting biodiversity collapse in tropical protected areas.  Nature, 489: 290-294. pdf

Vogel, E.R., Knott, C.D., Crowley, B.E., Blakely, M.D., Larsen, M.D., & Dominy, N.J. (2012). Bornean orangutans at the brink of protein bankruptcy. Biology Letters, (8) 333-336. pdf

Vogel, E., Crowley, B.C., Knott, C., Blakely, M.D., Larsen, M., & Dominy, N.J. (2012). A non–invasive method for measuring nitrogen balance in free–ranging primates. International Journal of Primatology, 33: 567-587. pdf

2011

Knott, C. D. and S. Kahlenberg.  (2011).  Orangutans:  understanding forced copulations.  in Primates in Perspective.  Edited by:  C. J. Campbell, A. Fuentes, K. C. MacKinnon, S. Bearder and R. M. Stumpf. Oxford University Press:  New York,  290–305. pdf

2010

Arora, N., A. Nater, C. van Schaik, E. P. Willems, B. Goossens, N. Morf, M. Bastian, C. D. Knott, H. Morrogh–Bernard, N. Kuze, T. Kanamori, J. Pamungkas, D. Perwitasari–Farajallah, K. Warren, E. Verschoor, M. van Noordwijk and M. Krützen. (2010).  The effects of Pleistocene glaciations and rivers on the population structure of Bornean orangutans (Pongo pygmaeus).  PNAS.  107: (50)  21376–21381. pdf

Knott, C. D., M. E. Thompson, R. M. Stumpf and M. H. McIntyre. (2010).  Female reproductive strategies in orangutans, evidence for female choice and counterstrategies to infanticide in a species with frequent sexual coercion.  Proceedings of the Royal Society of London: B.  277: (1678)  105–113. pdf

Powe, C. E., C. D. Knott and N. Conklin–Brittain. (2010).  Infant sex predicts breast milk energy content.  American Journal of Human Biology  22: (1)  50–54. pdf

2009

Knott, C. D.  (2009). Orangutans: Sexual coercion without sexual violence.  in Sexual Coercion in Primates: An Evolutionary Perspective on Male Aggression against Females Edited by:  M. N. Muller and R. W. Wrangham. Harvard University Press:  Cambridge, MA, 81–111. pdf

Laman, T. and C. Knott.  (2009).  Face to Face with Orangutans.  National Geographic Society:  Washington D.C., 32 Pages.

Knott, C. D., M. E. Thompson and S. A. Wich.  (2009).  The ecology of reproduction in wild orangutans.  in Orangutans Compared: Ecology, Evolution, Behaviour and Conservation.  Edited by:  S. A. Wich, S. S. Utami, T. Mitra Setia and C. van Schaik. Oxford University Press:  Oxford,  171–188. pdf

Morrogh–Bernard, H. C., S. J. Husson, C. D. Knott, S. A. Wich, C. P. van Schaik, M. van Noordwijk, I. Lackman–Ancrenaz, A. J. Marshall, T. Kanamori, N. Kuze and R. bin Sakong.  (2009).  Orang–utan activity budgets: A comparison between species, populations and habitats.  in Orangutans Compared: Ecology, Evolution, Behaviour and Conservation.  Edited by:  S. A. Wich, S. S. Utami, T. Mitra Setia and C. van Schaik. Oxford University Press:  Oxford,  119–134. pdf

Hardus, M. E., A. R. Lameira, I. Singleton, H. Morrogh–Bernard, C. D. Knott, M. Ancrenaz, S. S. Utami–Atmoko and S. A. Wich.  (2009).  A description of the orangutan’s vocal and sound repertoire, with a focus on geographical variation.  in Orangutans Compared: Ecology, Evolution, Behaviour and Conservation.  Edited by:  S. A. Wich, S. S. Utami, T. Mitra Setia and C. van Schaik. Oxford University Press:  Oxford,  49–64. pdf

Singleton, I., C. D. Knott, H. C. Morrogh–Bernard, S. A. Wich and C. P. van Schaik.  (2009).  Ranging behavior of orangutan females and social organization in Orangutans Compared: Ecology, Evolution, Behaviour and Conservation.  Edited by:  S. A. Wich, S. S. Utami, T. Mitra Setia and C. van Schaik. Oxford University Press:  Oxford,  205–214. pdf

Russon, A., S. Wich, M. Ancrenaz, T. Kanamori, C. Knott, N. Kuze, H. Morrogh–Bernard, P. Pratje, H. Ramlee, P. Rodman, K. Sidiyasa, I. Singleton and C. van Schaik.  (2009).  Geographic variation in orangutan diets.  in Orangutans Compared: Ecology, Evolution, Behaviour and Conservation.  Edited by:  S. A. Wich, S. S. Utami, T. Mitra Setia and C. van Schaik. Oxford University Press:  Oxford. pdf

Utami Atmoko, S. S., T. Mitra Setia, B. Goossens, S. S. James, C. D. Knott, H. C. Morrogh–Bernard, C. P. van Schaik and M. A. van Noordwijk.  (2009).  Orangutan mating behavior and strategies.  in Orangutans Compared: Ecology, Evolution, Behaviour and Conservation.  Edited by:  S. A. Wich, S. S. Utami, T. Mitra Setia and C. van Schaik. Oxford University Press:  Oxford,  235–244. pdf

van Schaik, C., M. Ancrenaz, R. Djojoasmoro, C. D. Knott, H. Morrogh–Bernard, Nuzuar, K. Odom, S. S. Utami Atmoko and M. A. van Noordwijk.  (2009).  Orangutan cultures revisited.  in Orangutans Compared: Ecology, Evolution, Behaviour and Conservation.  Edited by:  S. A. Wich, S. S. Utami, T. Mitra Setia and C. van Schaik. Oxford University Press:  Oxford,  299–310. pdf

2008

Knott, C., L. Beaudrot, T. Snaith, S. White, H. Tschauner and G. Planansky. (2008).  Female–female competition in Bornean orangutans.  International Journal of Primatology.  29: (4)  975–997. pdf

Stumpf, R. M., M. Emery Thompson and C. Knott. (2008).  A comparison of female mating strategies in Pan troglodytes and Pongo spp.  International Journal of Primatology.  29: (4)  865–884. pdf

Emery Thompson, M. and Knott, C. D.  (2008).  Urinary C–peptide of insulin as a non–invasive measure of energy balance in wild orangutans.  Hormones and Behavior.  53: 526–534. pdf

Anderson, H., M. Emery Thompson, C. Knott and L. Perkins. (2008).  Fertility and mortality patterns in captive Bornean and Sumatran orangutans:  Is there a species difference in life history?  Journal of Human Evolution.  54:34–42. pdf

Wich, S. A., E. Meijaard, A. J. Marshall, S. Husson, M. Ancrenaz, R. C. Lacy, C. P. van Schaik, J. Sugardjito, T. Simorangkir, M. Doughty, J. Supriatna, R. Dennis, M. Gumal, C. Knott and I. Singleton. (2008).  Distribution and conservation status of the orang–utan (Pongo spp.) on Borneo and Sumatra:  how many remain?  Oryx.  42: (3)  329–339. pdf

2007

Knott, C. D. and S. Kahlenberg. (2007). Orangutans in perspective:  Forced copulations and female mating resistance. in Primates in Perspective. Edited by:S. Bearder, C. J. Campbell, A. Fuentes, K. C. MacKinnon and M. Panger. Oxford University Press: Oxford, 290–305. pdf

2006

Conklin–Brittain, N. L., C. D. Knott and R. W. Wrangham. (2006). Energy intake by wild chimpanzees and orangutans: Methodological considerations and a preliminary comparison. in Feeding Ecology in Apes and Other Primates. Edited by:G. Hohmann, M. Robbins and C. Boesch. Cambridge University Press: Cambridge, p. 445-471. pdf

2005

Knott, C. D. (2005). Radioimmunoassay of estrone conjugates from urine dried on filter paper. American Journal of Primatology. 67: (1) 121–135. pdf

Knott, C. D. (2005). Energetic responses to food availability in the great apes:  Implications for Hominin Evolution. in Primate Seasonality:  Implications for Human Evolution. Edited by:D. K. Brockman and C. P. van Schaik. Cambridge University Press: Cambridge, 351–378. pdf

Johnson A, Knott C, Pamungkas B, Pasaribu M, Marshall A. (2005). A survey of the orangutan Pongo pygmaeus pygmaeus population in and around Gunung Palung National Park, West Kalimantan, Indonesia based on nest counts. Biological Conservation. 121:495–507. pdf

2004

Knott C. 2004. Orangutans:  The largest canopy dwellers. In: Lowman MD, Rinker HB, editors. Forest Canopies. Second ed. Academic Press: San Diego, p 322–324. pdf

2003

van Schaik, C. P., M. Ancrenaz, G. Borgen, B. Galdikas, C. Knott, I. Singleton, A. Suzuki, S. Utami and M. Merrill. (2003). Orangutan cultures and the evolution of material culture. Science. 299: 102–105. pdf

Felton, A. M., L. M. Engstrom, A. Felton and C. D. Knott. (2003). Orangutan population density, forest structure and fruit availability in hand–logged and unlogged peat swamp forests in West Kalimantan, Indonesia. Biological Conservation. 114: 91–101. pdf

2001

Conklin–Brittain, N. L., C. Knott and R. Wrangham. (2001). The feeding ecology of apes. In The Apes: Challenges for the 21st Century. Brookfield Zoo, Chicago, IL. 167–174. pdf

Knott, C. D.  (2001).  Female reproductive ecology of the apes:  implications for human evolution.  in Reproductive Ecology and Human Evolution. P. Ellison. Aldine de Gruyter:  New York,  429–463. pdf

van Schaik, C. and C. D. Knott. (2001).  Geographic variation in tool use on Neesia fruits in Orangutans.  American Journal of Physical Anthropology.  11: 331–342. pdf

2000

Knott, C.D. (2000). Book Review:  Foraging for Survival (by Stuart Altmann). Primate Science On–line.

1999

Knott, C. D.  (1999).  Gunung Palung orangutan food list.  in Orangutan Action Plan.  Edited by:  C. Yeager. World Wildlife Fund:  Jakarta, Indonesia,  21–26.

Knott, C. D. (1999).  Reproductive, Physiological and Behavioral Responses of Orangutans in Borneo to Fluctuations in Food Availability.  Ph.D. Thesis.  Harvard University. pdf

Knott, C. D.  (1999).  Orangutan Behavior and Ecology.  in The Nonhuman Primates.  Edited by:  P. Dolhinow and A. Fuentes. Mayfield Press:  Mountain View, CA,  50–57. pdf

1998

Knott, C. D. (1998). Changes in orangutan caloric intake, energy balance and ketones in response to fluctuating fruit availability. International Journal of Primatology. 19:(6) 1061–1079. pdf

1997

Laman, T. G. and C. D. Knott. (1997).  An observation of leopard (Panthera pardus Linnaeus) mating behavior in Serengeti National Park, Tanzania.  African Journal of Ecology.35: 165–167. pdf

Laman, T. G., J. L. Burnaford and C. D. Knott. (1997). Bornean Ground–cuckoo observations in Gunung Palung National Park, West Kalimantan. Kukila:  Bulletin of the Indonesian Ornithological Society. 9: 183–185. pdf

Knott, C. D.  (1997).  Field collection and preservation of urine in orangutans and chimpanzees.  Tropical Biodiversity. 4(1):  95–102. pdf

1996

Setiawan, E., C. D. Knott and S. Budhi. (1996). Preliminary assessment of vigilance and predator avoidance behavior of orangutans in Gunung Palung National Park, Indonesia. Tropical Biodiversity. 3:(3) 269–279. pdf