At Mahale, at least five older adolescent or young adult nulliparous females seen to hug, groom, transport, protect, play, share food, and share bed with orphan under 5 years old. Long-term adoption by adult males was reported from Ta. In bonobos, care of 2-year-old infant by newly immigrated female seen for one week. See Fig. 4. Fig. 4 Adopt: Ten-year-old female, Tula, adopted 3-year-old female, Maggie, and cared for her for more than 2 years 30 A adult aha-grunt Sexually and socially mature. Males 1 years old, Females 14 years old. See Fig. 5. Fig. 5 Adult: Eighteen-year-old male, Nsaba aeroplane See balance. aggress attack or threaten. See video. See also video aggress, redirected. aggress in redirection See aggress, redirected. aggress in sexual frustration Aggress to sexual partner