Koko
Western lowland gorilla and ASL user
Western lowland gorilla and ASL user
1971
55 years ago
Scientists & Innovators
United States
A western lowland gorilla achieved prominence through the use of American Sign Language. Residing in captivity, facilitated communication with human caregivers and demonstrated cognitive abilities. Engaged in various studies aimed at understanding animal cognition and communication. Gained attention from the public and media, contributing to awareness of gorilla conservation.
Used over 1,000 signs in American Sign Language
Developed a deep bond with caretakers
Participated in behavioral research studies
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