Funeral services for conservationist Jane Goodall were held Wednesday at Washington National Cathedral in D.C.

The intellectual, soft-spoken conservationist renowned for her groundbreaking, immersive chimpanzee field research in which she documented the primates’ distinct personalities and use of tools, was 91 when she died in October.

Among the tributes Wednesday was one given by actor Leonardo DiCaprio.

Watch the services below.

The Associated Press contributed to this report.

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