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♦ 1PARROT CLAYLICKS: DISTRIBUTION, PATTERNS OF USE AND ECOLOGICAL CORRELATES FROM A PARROT ASSEMBLAGE IN SOUTHEASTERN PERU, ALAN TRISTRAM KENNETH LEE, dissertation for DOCTOR OF PHILOSOPHY, Manchester Metropolitan University, November 2010
♦ 2THE DIET OF THE OILBIRD IN VENEZUELA, Carlos Bosque, Rudyard Ramírez & Domingo Rodríguez, ORNITOLOGIA NEOTROPICAL 6: 67-80, 1995
♦ 3Aguaruna Knowledge of Bird Foraging Ecology: A comparison with scientific data, Kevin Jernigan and Nico Dauphiné, Ethnobotany Research & Applications 6:093-106 (2008)