Lowly ‘new girl’ chimps form stronger female bonds. Duke Today, May 21, 2015. Low-ranking “new girl” chimpanzees seek out other gal pals with similar status, finds a new study. The results are based on 38 years’ worth of daily records for 53 adult females in Gombe National Park, Tanzania, where Jane Goodall first started studying chimpanzees in the 1960s.