Vol 25, No 3 (2017)

Brazilian Journal of Ornithology 25(3)

Cover Page
Flock of Blue-and-yellow Macaw (Ara ararauna) in flight. De Araújo et al. (in this issue), investigated species-specific variation in flight-calls in ten parrot species in central Brazil, associated with social functions and phylogeny. Photo author: Kjell-Ove Holmström.

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