The Oldest Black Rhino in North America Has Died
According to the local CBS affiliate, the surgeons determined that they would not be able to alleviate her pain enough for her to maintain a decent quality of life, and they decided not to wake her up from the May 3 surgery.
Elly arrived at the San Francisco Zoo in 1974 and quickly became one of its most successful breeders, helping keep her critically endangered species alive. She had 14 calves, 15 grand-calves, and even a single great-great grand-calf.
[h/t SFist ]