Washoe
Chimpanzee known for sign language
Chimpanzee known for sign language
1965
61 years ago
Scientists & Innovators
United States
This American chimpanzee was the first non-human to learn and use American Sign Language. Washoe was born in 1965 and raised in a research setting that encouraged communication through signs. The chimpanzee demonstrated the ability to learn approximately 350 signs and had the ability to combine them, showcasing impressive cognitive skills. Washoe was part of a pivotal project aimed at understanding the capabilities of non-human primates in language acquisition. After her research years, Washoe lived in a sanctuary where she continued to be a subject of observation until her passing in 2007.
First non-human to learn American Sign Language
Learned approximately 350 signs
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