Instead of numbering the chimpanzees she observed, she gave them names such as Fifi and David Greybeard, and observed them to have unique and individual personalities, an unconventional idea at the time.
No canto de numerar aos chimpancés que observaba, dáballes nomes como Fifi e David Greybeard, e notou que tiñan personalidades únicas e individuais, unha idea non convencional nese tempo.