Attributes / relations provided by
♦ ¹Avian fruit preferences across a Puerto Rican forested landscape: pattern consistency and implications for seed removal, Tomás A. Carlo, Jaime A. Collazo and Martha J. Groom, Oecologia (2003) 134:119–131
♦ ²FORAGING ECOLOGY OF PARROTS IN A MODIFIED LANDSCAPE: SEASONAL TRENDS AND INTRODUCED SPECIES, GREG D. MATUZAK, M. BERNADETTE BEZY, AND DONALD J. BRIGHTSMITH, The Wilson Journal of Ornithology 120(2):353–365, 2008