Attributes / relations provided by
♦ ¹Tropical Fruit-Eating Birds and Their Food Plants: A Survey of a Costa Rican Lower Montane Forest, Nathaniel T. Wheelwright, William A. Haber, K. Greg Murray, Carlos Guindon, Biotropica Vol. 16, No. 3 (Sep., 1984), pp. 173-192
♦ 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)
♦ ³"Fig-eating by vertebrate frugivores: a global review", MIKE SHANAHAN, SAMSON SO, STEPHEN G. COMPTON and RICHARD CORLETT, Biol. Rev. (2001), 76, pp. 529–572