How many signs does koko know

Koko cry. Time hurry! Fix Earth! Help Earth! Protect Earth… Nature see you. Thank you. NPR also contacted a biological anthropologist who expressed doubts, saying that even the most linguistically inclined apes would not be able to comprehend the relationship between humans and nature regarding climate change. Okay, so what?

Other non-human primates have also shown they're capable of learning sign language, like Washoe the chimpanzee and Chantek the orangutan. Koko received many visitors during her lifetime, including some celebrities. When Robin Williams came to her home in Woodside, California in , the two bonded right away, with Williams tickling the gorilla and Koko trying on his glasses. But perhaps her most famous celebrity encounter came when Mr.

Rogers paid her a visit in She immediately recognized him as the star of one of her favorite shows, Mister Rogers' Neighborhood , and greeted him by helping him take off his shoes like he did at the start of every episode. Koko was never able to have offspring of her own, but she did adopt several cats. After asking for a kitten, she was allowed to pick one from a litter for her birthday in She named the gray-and-white cat " All Ball " and handled it gently as if it were her real baby, even trying to nurse it.

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