Date of Birth: CAPTURED IN AFRICA (estimated birth in 1920) Darwina (after Darwin and shortened to Dwina) was originally from Kiribi, Cameroon. Yerkes purchased her and Bill on May 26,1925 from a breeder named Benjamin Bogden. She was one of the first four chimps.

Date of Death: September 26, 1930

Dwina died from puerperal septicemia, also called childbed fever, after giving birth to Alpha. She was approximately 10 years old when she died.

Parents: UNKNOWN

Children: Alpha (with Pan)