Academic conference presentation
2022
Buttress drumming with stones by wild chimpanzees in the forest of Kpala, Liberia.
(IPS-SLAPrim2020 (Joint Meeting of the International Primatological Society and the Latin American Society of Primatologists))
2018
Camera trap surveys of wild chimpanzees (Pan troglodytes verus) in non-protected forest at Kpala, Liberia.
(The 27th Congress of the International Primatological Society)
2016
Wild chimpanzees at Kpala using tools in various contexts.
(The 26th Congress of the International Primatological Society)
2015
Stone tool use by wild chimpanzees at Kpala, Liberia.
(PWS Annual symposium)
2015
Wild chimpanzees at Kpala use stones in various contexts
(The 4th International Symposium on Primatology and Wildlife Science)
2014
Tool Use Behaviors of Wild Chimpanzees at Kpala, Liberia.
(The 1st PWS Interim Symposium)
2014
Tool Use Behaviors of Wild Chimpanzees at Kpala, Liberia.
(The 25 th Congress of the International Primatological Society)
2014
We need to protect chimpanzees even in non-protected forest.
(PWS Kick-off symposium)
2013
Tool Use Behaviors at kpala, Liberia.
(国際高等研究所「心の進化」研究プロジェクト：比較認知科学の展望)
2011
From Bossou to Liberia: Conservation of Wild Chimpanzees in West Africa.
(AA Platform Workshop "Comparative study of adaptation to environment in apes")
2010
Surveys of chimpanzee habitats in West Africa: information from Guinea and Liberia.
(International Primatological Society 23rd Congress Primate Research 26(Supplement): 292.)
2008
From Bossou to Liberian Forest: Chimpanzee survey across national border in West Africa.
(Symposium on Comparative Cognitive Science 2008 “Primate Origins of Human Mind”)
2007
Present status and conservation effort of wild chimpanzees distributing Tri-national area of West Africa: Case report of recent surveys in Liberia.
(Transborder Environmental and Natural Resource Management)
2006
Les Chimpanzes de Bossou Traversent la Frontiere Liberienne. Bossou 30 ans.
(Symposium International Recherche et Conservation des Grands Singes Africains: 30eme Anniversaire du Projet Bossou-Nimba Program : 14.)
2005
Behavioral repertoire of tool use in the wild chimpanzees at Bossou .
(The 3rd HOPE International workshop "Comparative Cognitive Science: Recent topics of avian and primate species")
2005
Deactivation of Snares by Wild Chimpanzees.
(IX International Mammalogical Congress. Abstracts P.331.)
2005
Sprit or Spread? The Characteristics of Fission-Fusion Pattern in Bossou Chimpanzees.
(Kyoto Conference: Delphinid and Primates Social Ecology. Program p.51.)
2005
Tool use behaviors in wild chimpanzees at Bossou, Guinea.
(The 3rd International Workshop for Young Psychologists: Evolution and Development of Cognition Abstracts : 10.)
2004
Consortship in Chimpanzees at Bossou.
(An International Symposium: African Great Apes: Evolution, Diversity and Conservation. Program p.27.)
2002
Current conservation status of Bossou chimpanzees: Local tradition, habitat isolation and a corridor building project (Green Passage Plan).
(Inuyama COE International Symposium: Research on Long-lived Animals . Abstracts p.63.)
2002
Sub-grouping and Vocal Communication in Bossou Chimpanzees.
(The 2nd International Symposium on Comparative Cognitive Science: Social transmission of knowledge. Program and Abstract p.39.)