Orangutan Behavior during the Rehabilitation Process

By Kristin Abt   A recent article "Fostering Appropriate Behavior in Rehabilitant Orangutans (Pongo pygmaeus)" published online in the International Journal of Primatology discusses research on the behavior of rehabilitant orangutans (Pongo pygmaeus and P. abelii) at the Orangutan Care and Quarantine Centre in Pangkalan Bun, Kalimantan (Indonesian Borneo). Much past research has focused on postrelease behavior... Continue Reading →

Contagious Yawning in Chimpanzees

Animation of chimpanzee yawning from Emory University. Illustration from BBC News. I'm sure we are all familiar with this scenario: Someone yawns and we would "catch" it or vice versa. This is the phenomenon of contagious yawning. A new paper from The Proceedings of The Royal Society "Computer animations stimulate contagious yawning in chimpanzees" suggests... Continue Reading →

The Fongoli Chimps of Senegal

A Fongoli chimp. Photo by Frans Lanting, National Geographic. I just stumbled upon this on Twitter (Thanks to DarwinMonkey). It's a National Geographic page about the Senegalese Fongoli chimps, named after the Fongoli stream that runs through the chimpanzee's range. There are videos showing these chimps using tools fishing for termites, hunting a bushbaby and... Continue Reading →

Humans Evolved From Tree Climbers

A research from Duke University by Daniel Schmitt, associate professor of evolutionary anthropology, and Tracy Kivell, a post-doctoral research associate, shows that human evolved from tree climbing ancestors, not from knuckle-walkers. Schmitt and Kivell examined and compared the wrist bones of humans and African apes. Their research, "Independent evolution of knuckle-walking in African apes shows... Continue Reading →

Great Apes LOL Like Human Too

A baby orangutan being tickled. Photo from Discovery News. We're not the only species that are capable of laughing according to new study. Great apes are able to laugh like humans too, and they do it frequenty. This finding suggests that the last common ancestor of humans and apes also laughed around 10 to 16... Continue Reading →

Orangutans Found Cannibalizing Own Babies

Reported in gorillas and documented in chimpanzees, some apes actually cannibalize their own species. However, there were reports of orangutans cannibalizing their own babies were reported in the same forest area of Indonesia, just one month apart from each other. This might be the first report of an ape eating its own offspring. "Cannibalism has... Continue Reading →

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