Birutė Marija Filomena Galdikas, OC (born 10 May 1946), is a primatologist, conservationist, ethologist, and author of several books relating to the endangered orangutan, particularly the Bornean orangutan. Well known in the field of modern primatology, Galdikas is recognized as a leading authority on orangutans. Prior to her field study of orangutans, scientists knew little about the species.


