title: The population structure of red howler monkeys (Alouatta seniculus) in Trinidad and Venezuela.
mesh_terms: D000818:Animals; D005260:Female; D005843:Geography; D006127:Group Structure; D000882:Haplorhini; D006702:Homing Behavior; D008297:Male; D011156:Population Density; D011247:Pregnancy; D012098:Reproduction; D012744:Sex Ratio; D014300:Trinidad and Tobago; D014687:Venezuela; D014828:Vocalization, Animal