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المصدر: Frontiers in Zoology
مصطلحات موضوعية: 0106 biological sciences, Tropical dry forest, Ecology, Repertoire, Research, Flexibility (personality), Context (language use), Biology, Explained variation, 010603 evolutionary biology, 01 natural sciences, Psittaciformes, 010605 ornithology, Variation (linguistics), Discriminant function analysis, Amazon parrot, biology.domesticated_animal, Animal communication, Lilac-crowned Amazon, Animal Science and Zoology, Ecology, Evolution, Behavior and Systematics, Cognitive psychology, Signal design rules