It started as a good day. As usual, Kevin Langergraber got up at dawn to follow and observe the chimpanzees of Ngogo, in Uganda’s Kibale National Park. An anthropologist from Arizona State ...

After decades of observations in a rainforest in Uganda ... Since 1995, they and others have been watching the so-called Ngogo community of chimpanzees in Uganda. They noticed a number of healthy ...

The Ngogo group of chimpanzees in Uganda's Kibale National Park has been watched for 10 years, and is larger than many other well-studied groups. Beginning in 1999, several members of the Ngogo ...

Yale anthropologist David Watts watched “Chimp Empire,” the recent four-part Netflix docuseries on the Ngogo chimpanzee community in Uganda, with an informed perspective: He has spent decades studying ...

But no police were ever called, for these killers were all chimpanzees, from the Ngogo community in Uganda’s Kibale National Park. The vast majority of these murders were carried out by groups ...

Every day, John Mitani or a colleague is up at sunrise to check on the action among the chimpanzees at Ngogo, in Uganda’s Kibale National Park. Most days the male chimps behave a lot like frat ...

But no police were ever called, for these killers were all chimpanzees, from the Ngogo community in Uganda's Kibale National Park. The vast majority of these murders were carried out by groups of ...

On some days the chimps are close by. On others the scientists search for them for hours, winding through the Ngogo chimpanzee community’s home range of 35 square kilometers (an area more than ...

The new findings emerged from a long-term study known as the Ngogo Chimpanzee Project. The conservation/research project has followed a large community of chimpanzees in Uganda’s Kibale National ...

New evidence shows chimpanzees experience the hormonal shift, but what they do afterward remains a question of interest. Females from few species live long past their reproductive years—but a ...

Scientists spent years studying the Ngogo chimpanzee group in Uganda. They gathered demographic and hormonal evidence that strongly suggests a number of elderly females in the population underwent ...

Female chimpanzees in Uganda’s Ngogo community experienced a menopausal transition similar to women. Fertility among chimpanzees studied declined after age 30, and no births were observed after ...