She repeatedly asked us to open our mouths so she could confirm that we really did have mercury crammed into holes in our teeth. There is something eerie about meeting a gorilla raised as a human. We caught our plane. At six months old, Koko became ill and had to be separated from her mother. No new studies are starting, and the chimpanzees and orangutans taught American sign language in the 70s are nearing the end of their lives. In an extraordinary life, that will probably be her greatest achievement.
It is, of course, hard to do controlled experiments with apes.
QUEEN of the swingers: Female gorilla sex witnessed for first time by primate experts
His new research paper — titled Homosexual behavior in female mountain gorillas: Does it bother her? I listened through the bathroom door to the most moving interview of my career. We caught our plane. But the real test was bringing in a camera to film her. No new studies are starting, and the chimpanzees and orangutans taught American sign language in the 70s are nearing the end of their lives. Patterson began to tutor Koko in sign language as part of her PhD dissertation.