Wild Chimpanzee Foundation

Press, Reports and Publications


Final annual reports

  • 2016 Final annual report of the WCF [pdf]
  • 2015 Final annual report of the WCF [pdf]
  • 2014 Final annual report of the WCF [pdf]
  • 2013 Final annual report of the WCF [pdf]
  • 2012 Final annual report of the WCF [pdf]
  • 2011 Final annual report of the WCF [pdf]
  • 2010 Final annual reports of the WCF:
    - 2010 Report on Education and Awareness Activities by the WCF [pdf]
    - 2010 Biomonitoring activity report summary [pdf]

Reports Guinea

  • 2015 WCF report for "Compagnie des Bauxites de Guinée" (CBG-Halco concession), Complementary primates study for the CBG expansion project [pdf]

Reports Taï-Grebo-Sapo Forest Complex between Côte d'Ivoire and Liberia

  • FAO-FLEGT project: Mandated independent monitoring in a logging concession “Cavally Classified Forest”/Côte d‘Ivoire (reports are in French):
    1. 2014 Rapport de mission d'observation independante mandatee, Rapport 1: Bloc 21 – Avril 2012/Septembre 2014 [pdf in French]
    2. 2015 Rapport de mission d'observation independante mandatee, Rapport 2: Blocs 18 et 6 – Novembre 2014/Juillet 2015 [pdf in French]
    3. 2016 Rapport de mission d'observation independante mandatee, Rapport 3: Mai 2015/Avril 2016 [pdf in French]
    4. 2017 Rapport de mission d'observation independante mandatee, Rapport 4: Juin 2016/Mars 2017 [pdf in French]

  • 2015 Baseline Assessment of Chimpanzee andElephant Populations in the Mano RiverUnion Countries – Côte d’Ivoire, Liberia,Sierra Leone and Guinea [pdf]
  • 2015 Survey of Wildlife and Anthropogenic threats in the Grebo-Sapo Corridor, South-eastern Liberia [pdf]
  • 2015 Biomonitoring in the Proposed Grebo-Krahn National Park, Liberia [pdf]
  • 2014 Biomonitoring in the Proposed Grebo National Park, Liberia [pdf]
  • 2014 Community Eco-Guards: Report of the activities undertaken in and around the Proposed Grebo National Park, Liberia [pdf]
  • 2015 Report on the third steering committee meeting for the trans-boundary collaboration for the Taï-Grebo-Sapo Forest Complex between Côte d'Ivoire and Liberia [pdf]
  • 2014 Report on the second steering committee meeting for the trans-boundary collaboration for the Taï-Grebo-Sapo Forest Complex between Côte d'Ivoire and Liberia [pdf]
  • 2013 Report on the first steering committee meeting for the trans-boundary collaboration for the Taï-Sapo Forest Complex between Côte d'Ivoire and Liberia [pdf]
  • 2013 Étude des terroirs et couloirs écologiques entre le Parc National de Taï et le Parc National de Grebo (par Frédéric Varlet)  [pdf in French]
  • 2013 Conflict prevention and resolution in Taï National Park, Côte d’Ivoire (by Alec Crawford) [pdf]
  • 2012 Réalisation d’une étude sur l’état de la biodiversité des parcs nationaux et réserves de Côte d’Ivoire [pdf in French]
  • 2011 Inventory of the proposed landscape corridors between Taï National Park, Côte d’Ivoire and Grebo National Forest, Liberia [pdf]
  • 2012 Report on the celebrations of "33 years of research and conservation of chimpanzees in Côte d’Ivoire" [pdf in French]
  • 2010 Rapport de suivi écologique dans les forêts classées de Goin-Débé et de Cavally [pdf in French]

Final reports Club P.A.N.

  • Final report Club P.A.N. 2016/2017 [pdf]
  • Final report Club P.A.N. 2015/2016 [pdf]
  • Final report Club P.A.N. 2014/2015 [pdf]
  • Final report Club P.A.N. 2013/2014 [pdf]
  • Final report Club P.A.N. 2012/2013 [pdf]
  • Final report Club P.A.N. 2011/2012 [pdf]

Press releases

  • 2017 Creation of the Moyen-Bafing National Park in Guinea [pdf]

  • The WCF / Club P.A.N. project has been named as the organisation with the most entrepreneurial approach to education in Côte d’Ivoire in the Educating Africa Pan-African Awards for Entrepreneurship in Education. Thanks a lot for this great prize! [pdf]

  • The WCF organized the first steering committee for the Tai-Sapo Corridor project. Press release: Workshop for the Taï-Sapo Forest Complex [pdf]


Collaborative publications of the Wild Chimpanzee Foundation and the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany

Kouassi, J. A. K., Normand, E., Koné, I., Boesch, C. (2017). Bushmeat consumption and environmental awareness in rural households: a case study around Taï National Park, Côte d'Ivoire. Oryx. [pdf]

Kühl, H. S., Sop, T., Williamson, E. A., Mundry, R., Brugière, D., Campbell, G., Cohen, H., Danquah, E., Ginn, L., Herbinger, I., Jones, S., Junker, J., Kormos, R., Kouakou, C. Y., N'Goran, P. K., Normand, E., Shutt-Phillips, K., Tickle, A., Vendras, E., Welsh, A., Wessling, E. G., & Boesch, C. (2017). The Critically Endangered western chimpanzee declines by 80%. American Journal of Primatology. [pdf]

Junker, J., Boesch, C., Mundry, R., Stephens, C. R., Lormie, M., Tweh, C., & Kühl, H. S. (2015). Education and access to fish but not economic development predict chimpanzee and mammal occurrence in West Africa.Biological Conservation, 182, 27-35. doi: 10.1016/j.biocon.2014.11.034

Tranquilli, S., Abedi-Lartey, M., Abernethy, K., Amsini, F., Asamoah, A., Balangtaa, C., Blake, S., Bouanga, E., Breuer, T., Brncic, T. M., Campbell, G., Chancellor, R., Chapman, C. A., Davenport, T. R. B., Dunn, A., Dupain, J., Ekobo, A., Eno-Nku, M., Etoga, G., Furuichi, T., Gatti, S., Ghiurghi, A., Hashimoto, C., Hart, J. A., Head, J., Hega, M., Herbinger, I., Hicks, T. C., Holbech, L. H., Huijbregts, B., Kühl, H. S., Imong, I., Yeno, S.-L.-D., Linder, J., Marshall, P., Lero, P. M., Morgan, D., Mubalama, L., N'Goran, P. K., Nicholas, A., Nixon, S., Normand, E., Nziguyimpa, L., Nzooh-Dongmo, Z., Ofori-Amanfo, R., Ogunjemite, B. G., Petre, C.-A., Rainey, H. J., Regnaut, S., Robinson, O., Rundus, A., Sanz, C. M., Okon, D. T., Todd, A., Warren, Y., & Sommer, V. (2014). Protected areas in tropical Africa: Assessing threats and conservation activities.PLoS One, 9(12): e114154. doi: 10.1371/journal.pone.0114154
Downloads: [Tranquilli_Protected_PlosOne_2014.pdf] [Tranquilli_Protected_PlosOne_2014_Suppl.zip]

J. Junker, S. Blake, C. Boesch, G. Campbell, L. du Toit, C. Duvall, A. Ekobo, G. Etoga, A. Galat-Luong, J. Gamys, J. Ganas-Swaray, S. Gatti, A. Ghiurghi, N. Granier, J. Hart, J. Head, I. Herbinger, T. C. Hicks, B. Huijbregts, I. S. Imong, N. Kuempel, S. Lahm, J. Lindsell, F. Maisels, M. McLennan, L. Martinez, B. Morgan, D. Morgan, F. Mulindahabi, R. Mundry, K. P. N’Goran, E. Normand, A. Ntongho, D. T. Okon, C.-A. Petre, A. Plumptre, H. Rainey, S. Regnaut, C. Sanz, E. Stokes, A. Tondossama, S. Tranquilli, J. Sunderland-Groves, P. Walsh, Y. Warren, E. A. Williamson and H. S. Kuehl. 2012. Recent decline in suitable environmental conditions for African great apes. Diversity and Distribution, 18, 1077–1091. [pdf]

Tweh, C. G., Lormie, M. M., Kouakou, C. Y., Hillers, A., Kühl, H. S., and Junker, J. 2014. Conservation status of chimpanzees Pan troglodytes verus and other large mammals in Liberia: a nationwide survey. Oryx, online. [pdf]

Borchers C., Boesch C., Riedel J., Guilahoux H., Ouattara D., Randler R. (2013). Environmental Education in Côte d'Ivoire/West Africa: Extra-Curricular Primary School Teaching Shows Positive Impact on Environmental Knowledge and Attitudes. International Journal of Science Education, Part B. www.tandfonline.com/doi/full/10.1080/21548455.2013.803632

N’Goran P. K., Kouakou C. Y., N’Goran E. K., Konaté S., Herbinger I., Yapi F.A., Kuehl H.S. and Boesch C. (2013). Chimpanzee conservation status in the World Heritage Site Taï National Park, Côte d’Ivoire. International Journal of Innovation and Applied Studies. 3. 326-336. [pdf]

N'Goran, P.K., Boesch, C., Mundry, R., N'Goran, E. K., Herbinger, I., Yapi, F.A., Kühl, H.S. (2012) Hunting, law enforcement and African primate conservation. Conservation Biology. DOI: 10.1111/j.1523-1739.2012.01821. [pdf] [Supplementary Material Part 1] [Supplementary Material Part 2]

Tranquilli, S., Abedi-Lartey, M., Amsini, F., Arranz, L., Asamoah, A., Babafemi, O., Barakabuye, N., Campbell, G., Chancellor, R., Davenport, T.R.B., Dunn, A., Dupain, J., Ellis, C., Etoga, G., Furuichi, T., Gatti, S., Ghiurghi, A., Greengrass, E., Hashimoto, C., Hart, J., Herbinger, I., Hicks, T.C., Holbech, L.H., Huijbregts, B., Imong, I., Kumpel, N., Maisels, F., Marshall, P., Nixon, S., Normand, E., Nziguyimpa, L., Nzooh-Dogmo, Z., Tiku Okon, D., Plumptre, A., Rundus, A. Sunderland-Groves, J., Todd, A., Warren, Y., Mundry, R., Boesch, C., Kuehl, H. (2011) Lack of Conservation effort rapidly increases African great ape extinction risk. Conservation Letters doi: 10.1111/j.1755-263X.2011.00211.x [pdf] [Supplementary Material]

Kouakou, C.Y., Boesch, C., Kuehl, H.S. (2011) Identifying hotspots of chimpanzee group activity from transect surveys in Taï National Park, Côte d'Ivoire. Journal of Tropical Ecology 27: 621-630. [pdf]

Campbell, G., Kuehl, H., Diarrassouba, A., N'Goran, P. K. and C. Boesch (2011) Long-term research sites as refugia for threatened and over-harvested species. Biology Letters doi: 10.1098/rsbl.2011.0155 [pdf] [Supplementary Material]

Kouakou, Y.C., Boesch, C., Kuehl, H. S.: (2009) Estimating chimpanzee population size with nest counts: Validating methods in Taï National Park, American Journal of Primatology 71: 447-457. [pdf]

Borchers, C., Riedel, J., Boesch, C., et Breuer, T. (2009). Deux programmes d’éducation environnementale pour la conservation des grands singes africains: Club Ebobo et Club P.A.N. », Revue de primatologie, 1, document 8. primatologie.revues.org. [pdf]

Campbell, G., Kuehl, H.S., Ngoran, P, Boesch, C. (2008) Alarming decline of West African chimpanzees in Côte d’Ivoire. Current Biology 18: 904-905. [pdf]

Boesch, C., Gnakouri, C., Marques, L., Nohon, G., Herbinger, I., Lauginie, F., Boesch, H., Kouamé, S., Traoré M. and Akindes, F. 2008. Chimpanzee conservation and theatre: a case study of an awareness project around the Taï National Park, Côte d’Ivoire. In Conservation in the 21st Century: Gorillas as a Case Study (Eds, Stoinski, T., Steklis, D. and Mehlman, P.). pp.128-135. New York: Springer Science and Business Media.

Leendertz, F., Pauli, G., Maetz-Rensing, K., Boardman, W., Nunn, C., Ellerbrok, H., Jensen, S., Junglen, S. and Boesch, C. 2006. Pathogens as drivers of population declines: the importance of systematic monitoring in great apes and other threatened mammals. Biological Conservation, 131: 325-337. [pdf]

Kormos, R. and Boesch, C. 2003. Regional Action Plan for Chimpanzees in West Africa. Washington: Conservation International.

Kormos, R., Boesch, C., Bakkar, M. and Butynski, T. 2003. The West African Chimpanzee: Status Survey and Conservation Action Plan. IUCN, Gland, Switzerland and Cambridge, UK.


Conservation relevant publications from scientists of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany

Boesch, C., Grundmann, E., Mulhauser, B. 2011: Manifeste pour les Grands Singes. Le Savoir Suisse, Presses Polytechniques et Universitaires Romandes.

Hoppe-Dominik, B., Kühl, H.S., Radl, G., Fischer, F. (2011) Long-term monitoring of large rainforest mammals in the Biosphere Reserve of Taï National Park, Côte d’Ivoire. African Journal of Ecology doi: 10.1111/j.1365-2028.2011.01277.x [pdf]

Arandjelovic M, Head J, Rabanal LI, Schubert G, Mettke E, Boesch C, Robbins MM, Vigilant L (2011) Non-invasive genetic monitoring of wild central chimpanzees. PLoS ONE 6(3): e14761. doi:10.1371/journal.pone.0014761 [html | pdf | supporting information]

Arandjelovic M., Head, J., Kuehl, H., Boesch, C., Robbins, M.M., Maisels, F., Vigilant, L. (2010) Effective non-invasive genetic monitoring of multiple wild western gorilla groups. Biological Conservation 143: 1780–1791. [pdf]

Rabanal, L., Kuehl, H.S. Mundry, R., Robbins, M., Boesch, C. (2010) Oil prospecting and its impact on large rainforest mammals in Loango National Park, Gabon. Biological Conservation. 143: 1017-1024. [pdf]

Hicks T.C, Darby L, Hart J, Swinkels J, January N, Menken S (2010). Trade in orphans and bushmeat threatens one of The Democratic Republic of the Congo's most important populations of Eastern Chimpanzees (Pan troglodytes schweinfurthii). African Primates 7(1): 1-18. [Link] [pdf]

Plumptre A, Rose R, Nagnendo G, Williamson E, Didier K, Hart J, Mulindahabi F, Hicks C, Griffin B, Ogawa H, Nixon S, Pintea L, Vosper A, McLennan M, Amsini F, McNeilage A, Makana J. R, Kanamori M, Hernandez A, Piel A, Stewart F, Moore J, Zamma K, Nakamura M, Kamenya S, Idani G, Saka T, Yoshikawa M, Greer D, Tranquilli S., Beyers R, & Bennett, E. (2010). Status Survey and Conservation Action Plan for the Eastern Chimpanzee (Pan troglodytes schweinfurthii), 2010-2020. IUCN, Gland, Witzerland.

Kuehl, H. S.; Nzeingui, C.; Le Duc Yeno, S.; Huijbregts, B.; Boesch, C.; Walsh, P. D. (2009): Discriminating between village and commercial hunting of apes. Biological Conservation 142: 1500-1506. [pdf]

Hicks T. C, Fouts R & Fouts D. (2009). A survey of chimpanzees (Pan troglodytes troglodytes) and gorillas (Gorilla gorilla gorilla) in the selectively-logged Ngotto Forest, The Central African Republic. Journal of Applied Animal Welfare Science 2: 165-188. [pdf]

Todd, A.F., Kuehl, H.S, Cipolletta, C., Walsh, P.D. (2008) Using dung to estimate gorilla density: Modeling dung production rate. International Journal of Primatology 29: 549-563. [pdf]

Kuehl, H.S, Maisels, F., Williamson, L., Ancrenaz, M. (2008) Best Practice Guidelines for Surveys and Monitoring of Great Ape Populations. Occasional papers of the IUCN Species Survival Commission. [pdf in English | pdf in French]

Köndgen, S., Kühl, H.S., Ngoran, P., Walsh, P.D., Schenk, S., Ernst, N., Biek, R., Formenty, P., Mätz-Rensing, K., Schweiger, B., Junglen, S., Ellerbrok, H., Nitsche, A.,Briese, T.,Lipkin, WI., Pauli, G.,Boesch, C., Leendertz FH (2008) Pandemic human viruses cause decline of endangered great apes. Current Biology 18: 260-264. [pdf | Supplemental data]

Devos, C., Sanz, C., Morgan, D., Onononga, J. R., Laporte, N., Huynen, M. C. 2008. Comparing ape densities in Northern Congo: Surveys of sympatric gorillas and chimpanzees in the Ndoki and Odzala Regions. American Journal of Primatology 70: 1-13.

Boesch, C. 2008. Why do chimpanzees die in the forest? The challenges of understanding and controlling for wild ape health. American Journal of primatology, 70: 722-726. [pdf]

Kuehl, H.S, Todd, A., Boesch, C., and Walsh, P.D. (2007) Manipulating dung decay time for efficient large-mammal density estimation: Gorillas and dung height. Ecological Applications 17: 2403–2414. [pdf]

Morgan, D., Sanz, C. 2007. Best Practice Guidelines for Reducing the Impact of Commercial Logging on Wild Apes in West Equatorial Africa. Gland, Switzerland: IUCN/SSC Primate Specialist Group (PSG). 32 pp.

Kuehl, H.S, Williamson, L, Sanz, C, Morgan, D., Boesch, C. (2007) Launch of A.P.E.S. database. Gorilla Journal 34: 20-21. [pdf]

Walsh, P.D., Breuer, T., Sanz, C., Morgan, D., & Doran-Sheehy, D. 2007. Potential for Ebola transmission between gorilla and chimpanzee social groups. American Naturalist169:684–689.

Doran, D. and Boesch, C. 2003. Special Issue on Western Lowland Gorillas. American Journal of Primatology.

Walsh, P.D. et al. 2003. Catastrophic ape decline in western equatorial Africa. Nature 422:611-614.