Often dismissed as mere mimics, they were remarkable even by that standard.

Washoe, originally taken as an infant from the.

Verkkoallen and beatrix (“trixie”) gardner welcomed a chimpanzee named kathy to reno, nevada.

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Like the others, loulis also acquired signs of.

It turned out that.

Verkkowashoe’s adoption of loulis began a functional third phase of the signing research with chimpanzees.

Some apparently were used as.

Washoe, a female chimpanzee trained by beatrice and allan gardner, learned to use well over 150 signs.

Verkkowashoe is said to have taught loulis signs, representing the first time a primate learned sign language from another chimp instead of a human researcher.

Washoe, a female chimpanzee trained by beatrice and allan gardner, learned to use well over 150 signs.

Verkkowashoe is said to have taught loulis signs, representing the first time a primate learned sign language from another chimp instead of a human researcher.

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