Sentences with phrase «studying wild chimpanzees»

Since Christophe Boesch began studying wild chimpanzees in the Taï forest in Côte d'Ivoire in 1979, the animals» populations have declined by more than two - thirds.

He studied wild chimpanzee in the Taï Forest, Côte d'Ivoire, and he has done laboratory research with biological samples obtained from both wild and captive chimpanzees.

Fifty years ago Jane Goodall entered Tanzania's Gombe Stream Game Reserve to study wild chimpanzees.

Not exact matches

For the study, biologists followed a group of wild chimpanzees for two years, charting their social ties and periodically testing their urine for chemicals that indicate stress.

The success of Jane Goodall's (1971) scientific study of chimpanzees in the wild was dependent upon the rapport she established with her subjects and evidently also the rapport they had with her.

Now, in a pair of studies, researchers show that chimpanzees will give up a treat in order to help out an unrelated chimp, and that chimps in the wild go out on risky patrols in order to protect even nonkin at home.

That study comes from behavioral ecologist Christophe Boesch of the Max Planck Institute for Evolutionary Anthropology, who spent years observing wild chimpanzees in the Taï National Park in Côte d'Ivoire.

Wild chimpanzees have rarely been studied without the lure of food, which can distort their social relations.

Thirty - five years ago, researchers studying chimpanzees in the wild noticed that neighboring communities had distinct grooming behaviors that could not be explained by differences in their environments.

The new study, published online tomorrow in the Proceedings of the Royal Society B, examines partial sequences of the mitochondrial DNA (mtDNA) from wild chimpanzees in nine different groups.

Langergraber, who studies the evolution of cooperation and social relationships in wild chimpanzees, notes that there's compelling evidence in finches, crows, and gorillas that some behaviors — like learning to use tools or eat nettles that will sting unless they are handled just so — have genetic underpinnings.

An institution, for example, might agree to make a financial contribution to a wild chimpanzee conservation effort in exchange for a permit to a conduct a specific study.

«It possibly puts a finger on natural selection in the act,» says Pascal Gagneux, an evolutionary biologist at the University of California, San Diego, who has done both genetic analyses of chimpanzees and behavioral studies of wild communities.

McGrew hopes that such studies will help motivate people to protect chimpanzees in the wild.

«Female chimpanzees don't fight for «queen bee» status: Study of social rank in wild chimps shows striking differences between the sexes.»

The study, which appeared online Oct. 14 in the journal Scientific Reports, provides the first detailed look at how social status among wild chimpanzees changes throughout their lifetimes.

Human researchers are killing wild chimpanzees by inadvertently giving them colds, a new study shows for the first time.

Data from this study are therefore relevant to the behavior of wild chimpanzees and the potential transmission of chimpanzee cultures.

I proved during my research study that wild chimpanzees that are habituated to human observers on the ground are tolerant to, and most importantly do not alter their natural behaviors in the presence of, human observers in the canopy.»

I am wondering what your commentary is on the diet of wild adult chimpanzees vs. the nutrient make - up of chimp milk for thier babies... I would thinking looking at the great apes and studying what adults eat in the wild vs. the nutrient makeup of the breast milk would give us an indicator of what we humans should be eating as adult in comparison to our own breast milk make - up.

Studies of wild chimpanzees have found that individuals have distinct preference for one hand than the other when using told.