C. Tutin

Publications112
h-index48
Citations10,268
Highly Influential Citations708
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Cultures in chimpanzees
TLDR
It is found that 39 different behaviour patterns, including tool usage, grooming and courtship behaviours, are customary or habitual in some communities but are absent in others where ecological explanations have been discounted.
CHARTING CULTURAL VARIATION IN CHIMPANZEES
Cultural variation among chimpanzee communities or unit-groups at nine long-term study sites was charted through a systematic, collaborative procedure in which the directors of the sites first agreed…
Catastrophic ape decline in western equatorial Africa
TLDR
Survey results conservatively indicate that ape populations in Gabon declined by more than half between 1983 and 2000, and gorillas and common chimpanzees should be elevated immediately to ‘critically endangered’ status.
Composition of the diet of chimpanzees and comparisons with that of sympatric lowland gorillas in the lopé reserve, gabon
TLDR
The major differences between chimpanzee and gorilla diet at Lopé were the larger quantities of vegetative foods regularly eaten by gorillas and their ability to resort to a diet dominated by vegetative Foods when fruit was scarce, and the diets of the two species showed greatest divergence.
Conservation and use of wildlife-based resources: the bushmeat crisis
The primate community of the Lopé reserve, Gabon: Diets, responses to fruit scarcity, and effects on biomass
TLDR
The most likely explanation of low primate biomass is the occurrence of an ecological “catastrophe” in the fairly recent past from which populations have not yet recovered.
Nationwide census of gorilla (gorilla g. gorilla) and chimpanzee (Pan t. troglodytes) populations in Gabon
TLDR
Gabon's large areas of undisturbed primary forest offer exceptional potential for conservation, not only of gorillas and chimpanzees, but also of the intact tropical rain forest ecosystems which they inhabit.
Western gorilla diet: A synthesis from six sites
TLDR
It was confirmed that the western gorilla diet is always eclectic, including up to 230 items and 180 species, and eight plant families provide important foods at five, or all six, sites, suggesting that it may be possible in the future to predict which habitats are the most suitable for gorillas.
Foraging profiles of sympatric lowland gorillas and chimpanzees in the Lopé Reserve, Gabon.
TLDR
It seems that subtle physiological differences have far-reaching repercussions, defining potential evolutionary pathways for social organization and allowing sufficient niche separation between species.
Nest building by lowland gorillas in the Lopé Reserve, Gabon: Environmental influences and implications for censusing
We analyzed data from 373 fresh nest-sites (containing 2435 nests) of lowland gorillas (Gorilla g. gorilla)during a 4-year period in the Lopé Reserve, Gabon, to determine whether the observed…
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