Attributes / relations provided by
♦ ¹Proyecto Tití
♦ ²Feeding and General Activity Patterns of a Howler Monkey (Alouatta palliata) Troop Living in a Forest Fragment at Los Tuxtlas, Mexico, Alejandro Estrada, Saúl Juan-Solano, Teresita Ortíz Martínez and Rosamond Coates-Estrada, American Journal of Primatology 48:167-183 (1999)
♦ ³Flexibility in Diets of Three Species of Costa Rican Primates, Colin Chapman, Folia primatol. 49: 90-105 (1987)