because body-part put to part of the environment, not tool to body. At Mahale, only one adult female did this, after eating seeds of Parkia filicoidea several times before 1990s. Became common in 1998; by 2004, 29 chimps of M group did so when eating juicy fruit of lemon or sticky fruit of Saba comorensis and Voacanga lutescens. Goodall omitted but occurs at Gombe. See video. rub object to body Move quickly object such as leafy branch along body, back and forth. Adult male, Pim, rubbed large dead bird on nape and head while pressing it firmly. Juvenile female, Athena, lay on her back and rubbed her belly with smooth stone. 9. See video. rummage Search for target object by removing or separating other objects. See video. rump