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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
♦ ²Seasonal Variations in Diet and Foraging Behavior of Ateles chamek in a Southern Amazonian Tropical Forest, Robert B. Wallace, International Journal of Primatology, Vol. 26, No. 5, October 2005, pp. 1053-1075