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Friendly associations between gorillas and chimpanzees in the wild can persist for decades, and may originate around food sharing and defense against predators. When you purchase through links on our ...

Chewed plants prove a simple, noninvasive way to test primates for viruses Infectious diseases introduced by humans pose one of the greatest threats to survival of great apes in the wild Simple ...

He can identify several dozen plants that gorillas eat, and looks for torn or crushed stems to determine where gorilla troops may have recently passed. Sometimes, he glimpses elephants and golden ...