Koko the signing Gorilla

Watch Koko the famous signing gorilla go ape for her new kittens

Koko the gorilla famed for using sign language, dies - TomoNews

Koko, the Gorilla Who Knew Sign-Language, Dies at 46

Koko The Gorilla Who Mastered Sign Language Dies

Sad News As Koko The Gorilla Who Learned Sign Language Dies Aged 46

Koko The Sign Language Gorilla Dead At 46

Matthew Macklin on retired life, signing Michael Conlan & signing w/Top Rank

Signing Time - Baby Signing Time - SERIES TWO 01 Nice to Meet you