Verkkononhuman animals are constantly proving themselves to be capable of thought, empathy and intelligence in ways we never expected.
Verkkowashoe became the first animal to acquire human sign language.
Verkkowashoe, a female chimpanzee trained by beatrice and allan gardner, learned to use well over 150 signs.
Verkkoto log on to flica:
Verkkowashoe became the first animal to acquire human sign language.
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.
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