My farewell handshake with Peanuts came after more than three years of study of the mountain gorilla (Gorilla gorilla ... One was the death of Koko, the elderly, sole female of Group 8.

The mountain gorilla’s range is limited to a small ... Living with them then was an elderly, doddering female with atrophied arms, dried-up breasts, and graying head; I estimated her age at ...

Roxie was a beloved 48-year-old Western lowland gorilla who was a key figure in her troop and helped gorilla conservation.

DENVER (KDVR) — The Cheyenne Mountain Zoo had to say goodbye to a longtime friend and familiar face, the 48-year-old gorilla Roxie, who was humanely euthanized on Tuesday due to her age ...

Roxie was an icon, according to the Cheyenne Mountain Zoo. She was the longest living resident and was born at the zoo in ...

The Cheyenne Mountain Zoo says they are remembering the long life of Roxie, a 48-year-old female Western lowland gorilla.