title: Social relations within troops of red howler monkeys (Alouatta seniculus).
mesh_terms: D000367:Age Factors; D000819:Animal Communication; D000818:Animals; D001522:Behavior, Animal; D005260:Female; D006120:Grooming; D000882:Haplorhini; D006791:Hostility; D008297:Male; D008425:Maternal Behavior; D010988:Play and Playthings; D012653:Self Stimulation; D012737:Sex Factors; D012726:Sexual Behavior, Animal; D014300:Trinidad and Tobago; D014687:Venezuela