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Research

Publications
Publications
This page will introduce you to the latest research on the chimpanzees of Bossou and Nimba.
References
A list of books, television programs, etc. about chimpanzees of Bossou and Nimba.
Research
Research History
However, it was not until 1976 that Bossou was established as a long-term field site for the study of chimpanzees (Pan troglodytes verus) by professor Sugiyama from the Kyoto University Primate Research Institute, Japan...
Research Thematics
Ecology
Demography and Social Organization
Tool-use, cognition and development
Communication and social interactions
Chimpanzees' culture
Crop-raiding in the Bossou chimpanzees
Bacteriological studies and health monitoring
Population genetics
Surveys of wild chimpanzees in Nimba and neighboring sites: ecology, tool-use and conservation

Bossou-Nimba researchers and students
This page will give you an introduction to the researchers and students.
   

Field sites

Bossou
Where is Bossou?
Nimba
The Nimba Mountains were established as a nature reserve in...
Other sites
Seringbara, Guinea
Yeal, Côte d'Ivoire
Gouela, Guinea
DIECKE
DÉRÉ, Guinea
Bonla, Camp4, and Kpei-Lepula, Liberia
Staff In Guinea
With the cooperation of the Guinean government and local staff, field research is ongoing.
Direction Nationale de la Recherche Scientifique et Technologique (Conakry)- DNRST
Institut de Recherche Environnementale de Bossou - IREB
KUPRI Permanent Staff in BOSSOU
KUPRI Permanent Staff in SERINGBARA
KUPRI Permanent Staff in YEALE

People Of Bossou
The village of Bossou, in the Prefecture of Lola, is 1050 km from Conakry and 6 km from the foot of the Nimba
Mountains, near Guinea's southeastern border with Côte d'Ivoire and Liberia...
Human and chimpanzee interaction
Long Term Research Site In Africa
BOSSOU is one of six long-term chimpanzee field sites in Africa,
where observations of chimpanzees are still currently ongoing.
Bossou, Guinea
Tai, Cote d'Ivoire
Kibale, Uganda
Budongo, Uganda
Gombe, Tanzania
Mahale, Tanzania

Practical Information
This page will provide you with essential information when visiting the Bossou/Nimba research site.
 

Video Library

Index

Nut-cracking
The oil palm
Making palm oil
Hand preference
Nut-cracking
Choice of tools
Changing hammer stone
Brittle stones
Inadequate hammer
Stabilizing the anvil stone
Other ways of stabilizing the anvil
Metatool: wedge stone use
Transporting stone tools
How to obtain stone tools?
Retrieving stone tools
Deception
Nut-cracking can be dangerous
Carrying nuts
Competent nut-crackers

Learning nut-cracking
Mother's patience
Acquiring a taste for nuts
Mother's tolerance
Observing closely
Showing an interest in stones
Stealing her sibling's nut
Experiencing every step in nut-cracking process
Selecting one's own nuts
Stealing the mother's nut
Trying to crack the mother's nut
The challenge of combining the stones and the nuts
Education by master-apprenticeship
Putting several nuts on the anvil stone
Never give up
First success
Accidentally hitting her foot
The adults who cannot use stone tools
Young chimpanzees who cannot use stone tools

Other tool-uses
Coula nuts: unfamilliar nuts
Cracking open Coula nuts
Algae scooping
Ant dipping 1
Ant dipping2
Palm wine
Use of leaves for drinking palm wine
Probing stick
Pestle-pounding in oil palms 1
Pestle-pounding in oil palms 2
Use of leaves for drinking water
Drinking tool 1
Drinking tool 2
The hole to observe drinking behavior 1
The hole to observe drinking behavior 2
Infant learning how to use a drinking tool

The habitat of the chimpanzees and the village
The forest of Bossou
The forest and the village of Bossou
Life of Bossou
Members of the Bossou community
Crossing the road 1
Crossing the road 2
Crossing the road 3
Crossing the road 4
Dangers of the forest
Deforestation
Selecting ripe figs
The umbrella tree
The black mulberry
Eating young leaves
Wadging fruit
Rice-pith feeding
Oil-palm fruit
Other food items

Play / Mother-offspring relationship
Sibling's wound
A mother and her daughters
Solitary play
Vagetation provides many toys
Chasing games 1
Chasing games 2
A mother monitors the game
Rough play
Play by adult male
Mother and son 1
Mother and son 2
Tickling each other
Young females and infants 1
Young females and infants 2
Mother's tolerance

Social relationships
Co-feeding
Papaya fruit sharing
Adolescent male
Adolescent male and adult female
Intelligence and strength
The front and the rear positions 1
The front and the rear positions 2
Display
Fight
How to stop fighting
Taking care of a sick infant
A seriousely sick infant
Death of an infant chimpanzee
Charging display using infant's corpse

Communication / other
Scream
Food-grunt
Leaf-clipping
Pant-hoot
Reassurance gestures
Rump-rump contact 1
Rump-rump contact 2
Greeting
Grooming
Hand and foot
Grasping with toes
Brachiation
Shoulder joint problem
Day bed
Taking a nap
Night bed

 

Green Corridor Project

Green Corridor Project
Reforestation and public education programs help protect the wild chimpanzees of Bossou and Nimba.
Green Corridor News
Reforestation news: check out the "Green Passage" growing right now!
Threats to the Bossou and Nimba chimpanzees
Conservation Efforts
Mining
Habitat Destruction
Poaching
Disease

Enviromental Education
Environmental education in schools and villages
Environmental education material
Signposts
 

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