\" \" Spanish matador Luis Miguel Dominguin (far right) and his family pose with their chimp Miguel on his farm in Castilla La Mancha, Spain, 1968. Like human toddlers, chimps wrestle, play with sticks, make a racket and cuddle with their parents. AdvertisementAdvertisementChimps don't become \"more human\" simply because they're raised in a suburb in Texas instead of the mountains in Tanzania. By age 5, chimps are often stronger than human adults and very aggressive (biting others is a natural behavior, but not so acceptable in a suburban family). However, 17 states do ban people from owning primates [source: Gould and Luria].