verus in southeastern Senegal. Research organized by J. Pruetz from 2001 to present. food grunt See grunt, food. food-pound on other See pound food on other. food-pound on wood See pound food on wood. food scream See scream, food. food sharing See share food. food transfer See share food. friendship Long-term association with mutual dependence. Cf. coalition. Past-prime male, Kalunde and past-prime female, Nkombo, traveled and rested most of time together, and she supported Kalunde when he was challenged for alpha status by adult male. See video. fumble clitoris Adult or adolescent female repeatedly touches own clitoris. Males occasionally grasp clitoris of young females. Rarely seen. 8. See video. fumble nipple Manipulate own nipples with thumb or finger for self-reassurance or self-stimulation. Done by few chimpanzees. Occurs when