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

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

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

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Washoe, originally taken as an infant from the.

It turned out that.

Verkkowashoe, however, invented her own sign, consisting of drawing the fin­ gers of both hands down her chest where the edges of the bib were located.

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

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.

Some apparently were used as.

Like the others, loulis also acquired signs of.

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