Jenny was the world's oldest gorilla in captivity at the time of her death in 2008 at the age of 55.
[1] Jenny gave birth to a daughter, Vicki, in 1965, but failed to conceive again.
[2] As a result, Jenny became part of an American study on the effects of menopause on gorillas.
[1] Jenny's daughter, Vicki, was transferred to a zoo in Alberta, Canada, when she was five years old.
[2] Jenny was euthanized as a "quality-of-life decision"[2] at the Dallas Zoo on September 4, 2008, at the age of 55.