Renowned British chimpanzee expert Jane Goodall dies at 91

Goodall died of natural causes while in California on a speaking tour, the Jane Goodall Institute said in a social media post.

"Dr. Goodall’s discoveries as an ethologist revolutionized science, and she was a tireless advocate for the protection and restoration of our natural world," it said on Instagram.

The primatologist-turned-conservationist spun her love of wildlife into a life-long campaign that took her from a seaside English village to Africa and then across the globe in a quest to better understand chimpanzees, as well as the role that humans play in safeguarding their habitat and the planet's health overall.