• Publications
  • Influence
Patterns of predation by chimpanzees on red colobus monkeys in Gombe National Park, 1982-1991.
Predatory patterns in wild chimpanzees are important evidence in the continuing debate about the role of hunting in the behavior of early hominids. Data are presented on the predator-prey ecology ofExpand
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Primate Conservation: The Prevention of Disease Transmission
We address the strategies to prevent disease transmission from human to non-human primates in natural settings. Some field research methods, such as gaining close proximity for observation,Expand
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HUNTING DECISIONS IN WILD CHIMPANZEES
While field studies of wild chimpanzees have investigated the proximate determinants of hunting success, little attention has been paid to the decision to hunt. We present evidence from GombeExpand
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A survey of reproductive parameters in the free-ranging chimpanzees of Gombe National Park.
  • J. Wallis
  • Medicine
  • Journal of reproduction and fertility
  • 1 March 1997
This study is a review of reproductive records for chimpanzees (Pan troglodytes schweinfurthii) living in Gombe National Park, Tanzania, between 1964 and 1994. Females exhibited their first fullExpand
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  • PDF
Bone Modifications Resulting from Captive Chimpanzee Mastication: Implications for the Interpretation of Pliocene Archaeological Faunas
In order to obtain chimpanzee (Pan troglodytes) mastication damage on bones, cleaned, disarticulated ribs and long bones of bovids and cervids were coated with food substances found palatable byExpand
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Primates in Peril: The World's 25 Most Endangered Primates 2008–2010
Here we report on the ninth iteration of the biennial listing of a consensus of the 25 primate species considered to be among the most endangered worldwide and the most in need of conservationExpand
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Paternity exclusion in a community of wild chimpanzees using hypervariable simple sequence repeats
We report the use of hypervariable simple sequence repeat (SSR) nuclear loci to study paternity in a community of wild chimpanzees (Pan troglodytes schweinfurthii) in Gombe National Park, Tanzania.Expand
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Prevention of Disease Transmission in Primate Conservation
  • J. Wallis
  • Biology, Medicine
  • Annals of the New York Academy of Sciences
  • 1 December 2000
The close relationship between humans, apes, and monkeys allows for easy interspecies transmission of diseases. 1 In fact, the susceptibility of nonhuman primates to human diseases has led to theExpand
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Fragments, Sugar, and Chimpanzees in Masindi District, Western Uganda
Masindi District in western Uganda contains the Budongo Forest, with a population of approximately 600 chimpanzees (Pan troglodytes schweinfurthii). In 1999, a group of chimpanzees was discoveredExpand
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