DAVIS, California — Jane Goodall, the world-renowned primatologist whose discoveries about chimpanzees reshaped science and inspired global conservation efforts, has died at 91. Her foundation, the Jane Goodall Institute, confirmed she died of natural causes.

“She was in California as part of her speaking tour in the United States,” it wrote on Instagram. “Dr. Goodall’s discoveries as an ethologist revolutionized science, and she was a tireless advocate for the protection and restoration of our natural world.”

The Associated Press reported that Goodall’s fieldwork, beginning in 1960 in Tanzania’s Gombe Stream region, challenged conventional views of primate behavior. She documented chimpanzees using tools, forming complex social bonds and exhibiting emotional depth, discoveries that h

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