"On June 24, 2015, a Western party of Ngogo chimpanzees approached a Central group, but instead of mingling, the Western chimps ran away when they heard their Central mates, leading to a chase."
"The study's lead author, Aaron Sandel, noted that nothing like this had been observed before, indicating a significant behavioral shift among the chimpanzees."
A significant conflict occurred within the world's largest-known chimpanzee group, resulting in a split into two factions that engaged in lethal violence. This event is rare, with chimpanzee communities typically splitting every 500 years. The research, based on three decades of data from Kibale National Park, reveals that the Ngogo chimpanzees, previously a unified community, began to separate geographically and exhibit aggressive behavior towards each other starting in 2015.
Read at www.scientificamerican.com
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