Savannah chimpanzees, which can make weapons to hunt other primates for meat, can also seek refuge in caves, much like our earliest human ancestors.New findings suggest the chimps apparently shelter themselves in caves to hide from the extreme African heat. The cave use was documented by visual observations and photographs.
Primatologist Jill Pruetz at Iowa State University in Ames and her colleagues research savannah chimpanzees (Pan troglodytes verus). These dwell in environs much like those from which humanity's ancestors are believed to have emerged.
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