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Historical biogeography and diversification within the Neotropical parrot genus Pionopsitta (Aves: Psittacidae)
Aim We investigate spatial and temporal patterns of diversification within the Neotropical avifauna using the phylogenetic history of parrots traditionally belonging to the genus Pionopsitta… Expand
Comparative anatomy of the syrinx in the tribe Arini (Aves : Psittacidae)
Description of a New Species of Pionopsitta (Aves: Psittacidae) Endemic to Brazil
Abstract A new species from Brazil—Pionopsitta aurantiocephala—is described, which is easily distinguished from the other species of that genus by its completely bare, intensely orange colored head.… Expand
Six species of Amazonian Woodcreepers (Aves: Dendrocolaptidae) preying upon lizards and frogs
- V. Kupriyanov, J. D. Daza, A. Bauer, R. Gaban-Lima, G. R. Rocha-Brito, E. Höfling
- 1 December 2012
Dietary data from a large sample of woodcreepers (16 spp., n = 139), revealed that six species of dendrocolaptids occasionally feed upon lizards and frogs. These birds, which are mainly… Expand
ANATOMIA DA SIRINGE DOS DENDROCOLAPTIDAE (AVES, PASSERIFORMES)
Syrinx anatomy of the Dendrocolaptidae (Aves, Passeriformes). The syrinx is the vocal organ of the birds and it corresponds to a modification of the apparatus respiratorius, being at most of the… Expand
The status of three little known names proposed by Miranda-Ribeiro (1926) and the synonymization of Pyrrhura snethlageae Joseph & Bates, 2002 (Psittaciformes: Psittacidae: Arinae).
The presence of complex geographic variation among species allied to the absence of clear morphological breaks among populations has led to many poorly defined taxa in the genus Pyrrhura… Expand