Publications

Bethan Morgan, Ph.D.

Abwe, E., O. Doumbé, P. Dutton, C. Fotang, M.K. Gonder, R.A. Ikemeh, I. Imong, S.A. Kamgang, B.J. Morgan, A. Ngouh. 2022. Nigeria-Cameroon Chimpanzee Pan troglodytes ellioti Matschie 1914. Pages 53-56 in Primates in Peril: The World’s 25 Most Endangered Primates 2022–2023. Edited by R.A. Mittermeier, K.E. Reuter, A.B. Rylands, L. Jerusalinsky, C. Schwitzer, K.B. Strier, J. Ratsimbazafy, and T. Humle. IUCN SSC Primate Specialist Group (PSG), International Primatological Society (IPS) and Re:wild, Washington, DC,

Whytock, R.C., E.E. Abwe, D.M. Mfossa, M.E. Ketchen, A.E. Abwe, V.R.V. Ngimdo, F. Maisels, S. Strindberg, B.J. Morgan. 2021. Mammal distribution and trends in the threatened Ebo 'intact forest landscape', Cameroon. Global Ecology and Conservation 31.

Abwe, E.E., B.J. Morgan, R. Doudja, F. Kentatchime, F. Mba, A. Dadjo, D. Venditti, M.W. Mitchell, B. Fosso, A. Mounga, R.C. Fotso, M.K. Gonder. 2020. Dietary ecology of the Nigeria-Cameroon chimpanzee (Pan troglodytes ellioti). International Journal of Primatology. DOI: 10.1007/s10764-020-00138-7.

Abwe, E.E., B.J. Morgan. 2020. Gorillas of the Ebo forest threatened by proposed Forest management Units for timber exploitation. Gorilla Journal 60. 18-20.

Kalan, A.K., L. Kulik, M. Arandjelovic, C. Boesch, F. Haas, P. Dieguez, C.D. Barratt, E.E. Abwe, A. Agbor, S. Angedakin, F. Aubert, E.A. Ayimisin, E. Bailey, M. Bessone, G. Brazzola, V. Ebua Buh, R. Chancellor, H. Cohen, C. Coupland, B. Curran, E. Danquah, T. Deschner, D. Dowd, M. Eno-Nku, J.M. Fay, A. Goedmakers, A. Granjon, J. Head, D. Hedwig, V. Hermans, K.J. Jeffery, S. Jones, J. Junker, P. Kadam, M. Kambi, I. Kienast, D. Kujirakwinja, K.E. Langergraber, J. Lapuente, B. Larson, K.C. Lee, V. Leinert, M. Llana, S. Marrocoli, A.C. Meier, B. Morgan, D. Morgan, E. Neil, S. Nicholl, E. Normand, L.J. Ormsby, L. Pacheco, A. Piel, J. Preece, M.M. Robbins, A. Rundus, C. Sanz, V. Sommer, F. Stewart, N. Tagg, C. Tennie, V. Vergnes, A. Welsh, E.G. Wessling, J. Willie, R.M. Wittig, Y.G. Yuh, K. Zuberbühler, H.S. Kühl. 2020. Environmental variability supports chimpanzee behavioural diversity. Nature Communications. DOI: 10.1038/s41467-020-18176-3.

Morgan, B. 2020. Obituary to Kupe Cowboy. Gorilla Journal 61. 21.

Abwe, E.E., B.J. Morgan, B. Tchiengue, F. Kentatchime, R. Doudja, M.E. Ketchen, E. Teguia, R. Ambahe, D.M. Venditti, M.W. Mitchell, B. Fosso, A. Mounga, R.C. Fotso, M.K. Gonder. 2019. Habitat differentiation among three Nigeria-Cameroon chimpanzee (Pan troglodytes) populations. Ecology and Evolution 1-12.

Kühl, H.S., C. Boesch, L. Kulik, F. Haas, M. Arandjelovic, P. Dieguez, G. Bocksberger, M.B. McElreath, A. Agbor, S. Angedakin, E.A. Ayimisin, E. Bailey, D. Barubiyo, M. Bessone, G. Brazzola, R. Chancellor, H. Cohen, C. Coupland, E. Danquah, T. Deschner, O. Diotoh, D. Dowd, A. Dunn, V.E. Egbe, H. Eshuis, R. Fernandez, Y. Ginath, A. Goedmakers, A-C. Granjon, J. Head, D. Hedwig, V. Hermans, I. Imong, K.J. Jeffrey, S. Jones, J. Junker, P. Kadam, M. Kambere, M. Kambi, I. Kienast, D. Kujirakwinja, K. Langergraber, L. Lapuente, B. Larson, K. Lee, V. Leinert, M. Llana, G. Maretti, S. Marrocoli, T.J. Mbi, A.D. Meier, B. Morgan, D. Morgan, F. Mulindahabi, M. Murai, E. Neil, P. Niyigaba, L.J. Ormsby, L. Pacheco, A. Piel, J. Preece, S. Regnaut, A. Rundus, C. Sanz, J. Van Schijndel, V. Sommer, F. Stewart, N. Tagg, E. Vendras, V. Vergnes, A. Welsh, E.G. Wessling, J. Willie, R.M. Wittig, K. Yurkiw, K. Zuberbuehler, A.K. Kalan. 2019. Human impact erodes chimpanzee behavioral diversity. Science. DOI: 10.1126/science.aau4532.

Mfossa, D., M. Ndimbe, E. Abwe, B. Morgan. 2019. First video footage of the elusive Ebo gorillas in Cameroon. Gorilla Journal 58. 15-16.

Ley, A., P. Herzog, S. Lachmuth, A. Abwe, C. Mbella, P. Sesink Clee, E. Abwe, B. Morgan, M. Gonder. 2018. Phenotypic variability along a climatic gradient in a perennial afrotropical rainforest understorey herb. Basic and Applied Ecology 28. 60-75.

Whytock, R., B.J. Morgan, T.I. Awa, Z. Bekokon, E.A. Abwe, R. Buij, M. Virani, J.A. Vickery, N. Bunnefeld. 2018. Quantifying the scale and socioeconomic drivers of bird hunting in Central African forest communities. Biological Conservation 218. 18-25.

Mfossa, D., E. Abwe, B. Morgan. 2017. Conserving the Ebo gorillas through community collaboration. Gorilla Journal 55. 16-20.

Kühl, H.S., A.K. Kalan, M. Arandjelovic, F. Aubert, L. D’Auvergne, A. Goedmakers, S. Jones, L. Kehoe, S. Regnaut, A. Tickle, E. Ton, J. van Schijndel, E.E. Abwe, S. Angedakin, A. Agbor, E.A. Ayimisin, E. Bailey, M. Bessone, M. Bonnet, G. Brazolla, V.E. Buh, R. Chancellor, C. Cipoletta, H. Cohen, K. Corogenes, C. Coupland, B. Curran, T. Deschner, K. Dierks, P. Dieguez, E. Dilambaka, O. Diotoh, D. Dowd, A. Dunn, H. Eshuis, R. Fernandez, Y. Ginath, J. Hart, D. Hedwig, M.T. Heegde, T.C. Hicks, I. Imong, K.J. Jeffery, J. Junker, P. Kadam, M. Kambi, I. Kienast, D. Kujirakwinja, K. Langergraber, V. Lapeyre, J. Lapuente, K. Lee, V. Leinert, A. Meier, G. Maretti, S. Marrocoli, T.J. Mbi, V. Mihindou, Y. Moebius, D. Morgan, B. Morgan, F. Mulindahabi, M. Murai, P. Niyigabae, E. Normand, N. Ntare, L.J. Ormsby, A. Piel, J. Pruetz, A. Rundus, C. Sanz, V. Sommer, F. Stewart, N. Tagg, H. Vanleeuwe, V. Vergnes, J. Willie, R.M. Wittig, K. Zuberbuehler, C. Boesch. 2016. Chimpanzee accumulative stone throwing. Nature Scientific Reports 6. DOI: 10.1038/srep22219.

Abwe, E.E., D.M. Mfossa, B.J. Morgan. 2015. Community-led conservation action in the Ebo forest, Cameroon. Gorilla Journal 50. 14-17.

Clee, P.R.S., E.E. Abwe, R.D. Ambahe, N.M. Anthony, R. Fosto, S. Locatelli, F. Maisels, M.W. Mitchell, B.J. Morgan, A.A. Pokempner, M.K. Gonder. 2015. Chimpanzee population structure in Cameroon and Nigeria is associated with habitat variation that may be lost under climate change. BMC Evolutionary Biology. DOI: 10.1186/s12862-014-0275-z.

Mitchell, M.W., S. Locatelli, L. Ghobrial, A.A. Pokempner, P.R.S. Clee, E.E. Abwe, A. Nicholas, L. Nkembi, N.M. Anthony, B.J. Morgan, R. Fotso, M. Peeters, B.H. Hahn, M.K. Gonder. 2015. The population genetics of wild chimpanzees in Cameroon and Nigeria suggests a positive role for selection in the evolution of chimpanzee subspecies. BMC Evolutionary Biology. DOI: 10.1186/s12862-014-0276-y.

Sesink Clee, P.R., E.E. Abwe, R.D. Ambahe, N.M. Anthony, R. Fotso, S. Locatelli, F. Maisels, M.W. Mitchell, B.J. Morgan, A.A. Pokempner, M.K. Gonder. 2015. Chimpanzee population structure in Cameroon and Nigeria is associated with habitat variation that may be lost under climate change. BMC Evolutionary Biology 15. 1-13.

Abwe, E.E., D.M. Mfossa, M.S. Ndimbe, B.J. Morgan. 2014. Les gorilles de la foret d’Ebo: Un Manuel pour le ‘Club des Amis des Gorilles’. 52.

Dunn, A., R. Bergl, D. Byler, S. Eben-Ebai, D.N. Etiendem, R. Fotso, R. Ikfuingei, I. Imong, C. Jameson, L. Macfie, B. Morgan, A. Nchanji, A. Nicholas, L. Nkembi, F. Omeni, J. Oates, A. Pokempner, S. Sawyer, E.A. Williamson. 2014. Revised Regional Action Plan for the Conservation of the Cross River Gorilla (Gorilla gorilla diehli) 2014-2019. IUCN/SSC Primate Specialist Group & Wildlife Conservation Society

Whytock, R.C., R. Buij, M.Z. Virani, B.J. Morgan. 2014. Do large birds experience previously undetected levels of hunting pressure in the forests of Central and West Africa? Oryx—The International Journal of Conservation. DOI: 10.1017/S0030605314000064.

Maisels, F., S. Strindberg, S. Blake, G. Wittemyer, J. Hart, E.A. Williamson, R. Aba'a, G. Abitsi, R.D. Ambahe, F. Amsini, P.C. Bakabana, T.C. Hicks, R.E. Bayogo, M. Bechem, R.L. Beyers, A.N. Bezangoye, P. Boundja, N. Bout, M.E. Akou, L. Bene Bene, B. Fosso, E. Greengrass, F. Grossmann, C. Ikamba-Nkulu, O. Ilambu, B-I. Inogwabini, F. Iyenguet, F. Kiminou, M. Kokangoye, D. Kujirakwinja, S. Latour, I. Liengola, Q. Mackaya, J. Madidi, B. Madzoke, C. Makoumbou, G-A. Malanda, R. Malonga, O. Mbani, V.A. Mbenzo, E. Ambassa, A. Ekinde, Y. Mihindou, B.J. Morgan, P. Motsaba, G. Moukala, A. Mounguengui, B.S. Mowawa, C. Ndzai, S. Nixon, P. Nkumu, F. Nzolani, L. Pintea, A. Plumptre, H. Rainey, B. Bokoto de Semboli, A. Serckx, E. Stokes, A. Turkalo, H. Vanleeuwe, A. Vosper, Y. Warren. 2013. Devastating Decline of Forest Elephants in Central Africa. Public Library of Science One. DOI: 10.1371/journal.pone.0059469.

Morgan, B.J., E.A. Abwe, E.F. Dixson, C. Astaras. 2013. The distribution, status, and conservation outlook of the drill (Mandrillus leucophaeus) in Cameroon. International Journal of Primatology 34. 281-302.

Abwe, E.E., B.J. Morgan. 2012. The gorillas of the Ebo forest – developing community-led conservation initiatives. Gorilla Journal 44. 14-16.

Junker, J., 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, H.S. Kuehl. 2012. Recent decline in suitable environmental conditions for African great apes. Diversity and Distributions 18. 1077-1091.

Morgan, B.J. 2012. Notes from the Field: A Primatologist's Point of View. Nature Education Knowledge 3. 8.

Morgan, B.J., J.N. Suh, E.E. Abwe. 2012. Attempted Predation by Nigeria-Cameroon Chimpanzees (Pan troglodytes ellioti) on Preuss's Red Colobus (Procolobus preussi) in the Ebo Forest, Cameroon. Folia Primatologica. DOI: 10.1159/000339813.

Morgan, B.J. 2012. The Nigeria-Cameroon Chimpanzee (Pan troglodytes ellioti). The World Bank’s Africa Biodiversity Strategy: The Case of the Great Apes. Edited by R. Kormos, A. Lanjouw, C. Kormos, and H. Rainer.

Morgan, B.J., J.N. Suh, E.E. Abwe. 2012. Attempted Predation by Nigeria-Cameroon Chimpanzees (Pan troglodytes ellioti.) on Preuss's Red Colobus (Procolobus preussi.) in the Ebo Forest, Cameroon. Folia Primatologica 83. 329-331.

Ting, N., C. Astaras, G. Hearn, S. Honarvar, J. Corush, A.S. Burrell, N. Phillips, B.J. Morgan, E.L. Gadsby, R. Raaum, C. Roos. 2012. Genetic signatures of a demographic collapse in a large-bodied forest dwelling primate (Mandrillus leucophaeus). Ecology and Evolution 2. 550–561.

Morgan, B.J., A. Adeleke, T. Bassey, R. Bergl, A. Dunn, R. Fotso, E. Gadsby, K. Gonder, E. Greengrass, D.K. Koulagna, G. Mbah, A. Nicholas, J. Oates, F. Omeni, Y. Saidu, V. Sommer, J. Sunderland-Groves, J. Tiebou, E. Williamson. 2011. Regional Action Plan for the Conservation of the Nigeria-Cameroon chimpanzee (Pan troglodytes ellioti). IUCN/SSC Primate Specialist Group and Zoological Society of San Diego

Morgan, B.J. 2010. The gorillas of the Ebo forest, Cameroon. Gorilla Journal 40. 16-18.

Singh, D., B.J. Dixson, T.S. Jessop, B. Morgan, A.F. Dixson. 2010. Cross cultural consensus for waist-to hip ratio and women's attractiveness. Evolution and Human Behavior 31. 176-181.

Wasser, S., J. Poole, P. Lee, K. Lindsay, A. Dobson, J. Hart, I. Douglas-Hamilton, G. Wittemyer, P. Granli, B. Morgan, J. Gunn, S. Alberts, R. Beyers, P. Chiyo, H. Croze, R. Estes, K. Gobush, P. Joram, A. Kikoti, J. Kingdon, L. King, D. Macdonald, C. Moss, B. Mutayoba, S. Njumbi, P. Omondi, K. Nowak. 2010. Elephants, Ivory and Trade. Science 327. 1331-1332.

Whytock, R., B.J. Morgan. 2010. The commercial trade in bushmeat potentially threatens raptor populations in the Ebo forest, Cameroon. Growth and Biology of African Raptors 1-2. 1-7.

Whytock, R., B.J. Morgan. 2010. The Avifauna of the Ebo Forest, Cameroon. Malimbus 32. 22-32.

Abwe, E.E., B.J. Morgan. 2008. The Ebo forest: four years of preliminary research and conservation of the Nigeria-Cameroon chimpanzee (Pan troglodytes vellerosus.). Pan African News 15. 26-29.

Morgan, B.J. 2008. The gorillas of the Ebo forest. Gorilla Journal 36. 14-16.

Morgan, B.J., P.C. Lee. 2007. Forest elephant group composition, frugivory and coastal habitat use in the Reserve de Faune du Petit Loango, Gabon. African Journal of Ecology 45. 519-526.

Morgan, B.J. 2007. Sacoglottis gabonensis. – a keystone fruit for forest elephants in the Réserve de Faune du Petit Loango, Gabon. African Journal of Ecology. DOI: 10.1111/j.1365-2028.2007.00897.x.

Morgan, B.J. 2007. Forest elephant group composition, frugivory and coastal use in the Réserve de Faune du Petit Loango, Gabon. African Journal of Ecology 45. 519-526.

Morgan, B.J. 2007. Group size, density and biomass of mammals in the Réserve de Faune du Petit Loango, Gabon. African Journal of Ecology 45. 508-518.

Morgan, B.J. 2007. Unusually low incidence of debarking by forest elephants in the Réserve de Faune du Petit Loango, Gabon. African Journal of Ecology 45. 664-666.

Morgan, B.J. 2007. The forest elephant: a cryptic cousin of the African savannah elephant. Biodiversity 8. 25-31.

Dixson, B.J., A.F. Dixson, B. Morgan, M.J. Anderson. 2006. Human physique and sexual attractiveness: Sexual preferences of men and women in Bakossiland, Cameroon. Archives of Sexual Behavior 36. 369-375.

Elton, S., B.J. Morgan. 2006. Muzzle size, paranasal swelling size and body mass in Mandrillus leucophaeus. Primates 47. 151-157.

Morgan, B.J., E.E. Abwe. 2006. Chimpanzees use stone hammers in Cameroon. Current Biology 16. 632-633.

Morgan, B.J., J.L. Sunderland-Grove. 2006. The Cross-Sanaga gorillas: The northernmost gorilla population. Gorilla Journal 32. 16-18.

Morgan, B.J. 2006. A first checklist of trees and lianas of the Reserve de Faune du Petit Loango, Gabon. Pages 131-146 in Taxonomy and Ecology of African Plants, Their Conservation and Sustainable Use. Edited by S.A. Ghazanfar, and H.J. Beentje. Kew Publishing, Surrey, United Kingdom.