Koko gained public attention as the subject of two National Geographic cover stories and, in 1985, the best-selling children's picture book, Koko's Kitten. Koko became the world's most famous …

The Gorilla Foundation is best known for conducting the longest interspecies communication study in history (almost 5 decades) and the only one involving gorillas: Project Koko.

Koko, the western lowland gorilla that died in her sleep Tuesday at age 46, was renowned for her emotional depth and ability to communicate in sign language.

Apr 27, 2025 · Koko the gorilla, who became famous for her use of sign language, died in her sleep at age 46 in her California preserve on June 19, 2018.

Koko, the adored gorilla known for her sign language skills, has died at the age of 46. Koko rose to fame in the 1970s when an animal psychologist named Francine "Penny" Patterson taught …

Koko, the gorilla, was an exceptional primate who astounded the world with her cognitive abilities and emotional depth. Born on July 4, 1971, at the San Francisco Zoo, she was named Hanabi …

She spent most of her life at The Gorilla Foundation's special home in the Santa Cruz Mountains. Her name, "Hanabiko," means "fireworks child" in Japanese. This name was chosen because …