The world is mourning the loss of Dr. Biruté Galdikas—a pioneering anthropologist, conservationist, educator, and author who dedicated her life to protecting our fellow primates. Widely recognized as one of the world’s foremost authorities on orangutans, Dr. Galdikas spent decades defending these social, intelligent great apes, helping to transform global understanding of their lives and the threats they face. Today, we honor her legacy and look back at the remarkable achievements that helped inspire compassion and advocacy for animals.
Among the Legendary “Trimates”
When Dr. Galdikas began her work, orangutans were the least understood of the great apes. She helped change that. For more than 50 years, she studied orangutans in the rainforests of Tanjung Puting National Park, Indonesia, conducting some of the longest-running field research on the species. Fully immersing herself in their habitat, she observed orangutans’ intelligence, social bonds, and daily lives—most of which are spent in the treetops, where they craft intricate nests of vegetation for sleeping and resting. Through this research, she profoundly expanded humans’ understanding of these animals’ behavior and ecology.
“You’re looking at a fully conscious thinking, living being that is basically the same as us.” –Dr. Biruté Galdikas
It was this work that earned Dr. Galdikas a place among the legendary “Trimates”—alongside Jane Goodall and Dian Fossey—celebrated for their groundbreaking research on great apes living freely in their natural environments.
Dr. Galdikas also dedicated herself to protecting orangutans from poaching and habitat destruction through Orangutan Foundation International, an organization she co-founded and led for decades alongside her husband, Pak Bohap.
For her tireless commitment to studying and advocating for our fellow primates, Dr. Galdikas appeared twice on the cover of National Geographic and was honored with the PETA Humanitarian Award in 1990. She was also featured in the documentary Born to Be Wild, which captures her compassionate work firsthand as she rescued and cared for orphaned orangutans. In addition, she shared her lifetime of experiences and insights in her acclaimed book, Reflections of Eden, offering a deeply personal look at orangutan behavior, conservation, and the urgent need to protect their forest homes.
An Advocate for All Our Fellow Primates
Dr. Galdikas’ commitment to animals extended far beyond orangutans. She recognized the intelligence and social lives of macaques, and she supported PETA’s efforts to protect them—an influence that continues to shape the work of those who followed. Drawing on her field observations, she wrote of macaques: “They clearly had intricate, complex social relationships and the youngsters played with each other energetically. … I also watched a sad macaque mother carrying her dead infant for at least two days. The grief on her face was palpable.”
Honor Dr. Galdikas’ Legacy by Helping Us Protect Our Fellow Primates
Dr. Galdikas leaves behind a legacy that challenges us not only to protect animals in their forest homes but also to confront the ways we harm them elsewhere—and to do better. Carry her legacy forward by taking action today:
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