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Factors affecting the amount of genomic DNA extracted from ape faeces and the identification of an improved sample storage method
TLDR
There was a small negative correlation between temperature at time of collection and the amount of DNA obtained, but significantly higher amounts of DNA were obtained using a novel protocol that combines a short period of storage in ethanol with subsequent desiccation using silica.
Generation times in wild chimpanzees and gorillas suggest earlier divergence times in great ape and human evolution
TLDR
The human–chimpanzee split is dated to at least 7–8 million years and the population split between Neanderthals and modern humans to 400,000–800,000 y ago, which suggests that molecular divergence dates may not be in conflict with the attribution of 6- to 7-million-y-old fossils to the human lineage and 400,,000-Y-old bones to the Neanderthal lineage.
Mountain gorilla tug-of-war: silverbacks have limited control over reproduction in multimale groups.
TLDR
Paternity analysis of 48 offspring born into four groups between 1985 and 1999 revealed that, although all infants were sired by within-group males, the socially dominant silverback did not always monopolize reproduction within his group, suggesting a "tug-of-war" scenario in which neither the dominant nor the second-ranking male has full control over his relative reproductive share.
A demographic analysis of male life history and social structure of mountain gorillas
TLDR
Demographic constraints, such as length of time to male maturation, coupled with intense male-male competition for mates may limit the number and duration of groups with a multimale structure.
Dietary Variability of Mountain Gorillas in Bwindi Impenetrable National Park, Uganda
TLDR
A comparison of the results with the diets of gorillas of the Virunga Volcanoes in Rwanda and Kahuzi-Biega, DRC shows that eastern gorilla populations have highly variable dietary patterns with limited overlap in species consumed among groups and populations.
Sympatric Chimpanzees (Pan troglodytes troglodytes) and Gorillas (Gorilla gorilla gorilla) in Loango National Park, Gabon: Dietary Composition, Seasonality, and Intersite Comparisons
TLDR
It is concluded that forest composition, fruit availability, and dietary variability of sympatric species can vary greatly between locations, and that chimpanzees and gorillas can adapt to primary forest with little undergrowth, where they concentrate their diet on fruit and leaves.
Social structure and life‐history patterns in western gorillas (Gorilla gorilla gorilla)
TLDR
New data on western gorilla social structure and life histories from four study sites are presented, and comparisons with eastern gorilla populations are made, showing no significant differences in birth rates between western gorillas and mountain gorillas.
Origin of the HIV-1 group O epidemic in western lowland gorillas
TLDR
It is shown that HIV-1 group O, which spreads epidemically in west central Africa and is estimated to have infected around 100,000 people, originated by cross-species transmission from western lowland gorillas.
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