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♦ ¹The parakeet Brotogeris tirica feeds on and disperses the fruits of the palm Syagrus romanzoffiana in Southeastern Brazil, Sazima, I., Biota Neotropica, Vol. 8 (number 1): 2008; p. 231-234.
♦ ²Feeding Behavior of the Black-Tufted-ear Marmoset (Callithrix penicillata) (Primata, Callitrichidae) in a Tropical Cerrado Savanna, Andréa Andrade Vilela & Kleber Del-Claro, Sociobiology Vol. 58, No. 2, 2011