Some comparisons between siamang and gibbon behaviour.
D000818:Animals; D000831:Animals, Newborn; D000836:Animals, Zoo; D001522:Behavior, Animal; D004327:Drinking Behavior; D005247:Feeding Behavior; D005260:Female; D006120:Grooming; D015186:Hominidae; D008124:Locomotion; D008297:Male; D008425:Maternal Behavior; D010988:Play and Playthings; D011187:Posture; D011340:Problem Solving; D012726:Sexual Behavior, Animal; D012934:Social Isolation; D013037:Spatial Behavior; D013731:Territoriality; D014828:Vocalization, Animal