Koko, the gorilla who mastered sign language, has died.The Gorilla Foundation says the 46-year-old western lowland gorilla died in its sleep at the foundation’s preserve in California’s Sana Cruz ...

If there are two specific gorillas that you know, one is probably Harambe, the western lowland gorilla that was fatally shot in 2016 after a three-year-old boy climbed into his enclosure at the ...

Koko, the beloved gorilla who mastered sign language, has died. She was 46. “Koko — the gorilla known for her extraordinary mastery of sign language, and as the primary ambassador for her endangered ...

WOODSIDE, Calif. (AP) — Koko the gorilla who mastered sign language, raised kittens and once playfully tried on the glasses of the late actor Robin Williams, has died. She was 46. The Gorilla ...