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A New Species of Aratinga Parakeet (Psittaciformes: Psittacidae) from Brazil, with Taxonomic Remarks on the Aratinga solstitialis Complex (Uma nova espécie de Aratinga (Psittaciformes: Psittacidae) do Brasil, com comentários sobre a taxonomia do complexo de espécies Aratinga solstitialis)

Luís Fábio Silveira, Flávio César Thadeo de Lima and Elizabeth Höfling
The Auk
Vol. 122, No. 1 (Jan., 2005), pp. 292-305
Stable URL: http://www.jstor.org/stable/4090366
Page Count: 14
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Abstract

We describe a new species of Aratinga-A. pintoi (Sulfur-breasted Parakeet)-from open areas on the northern bank of the lower Amazon River in the state of Pará, Brazil. It was for a long time misidentified as a juvenile of A. solstitialis or a hybrid between that species and A. jandaya. It can be distinguished from other Aratinga species by the combination of the following characters: mantle and wing coverts green, suffused with pale yellow; underparts pale yellow, with pale orange restricted to belly and flanks; and feathers on the underparts with a dark rachis. On the basis of color characters and general morphology, we suggest that this new species should be a member of a group composed of A. solstitialis, A. jandaya, A. auricapillus, and, possibly, Nandayus nenday. A review of taxonomy and distribution of the group is also presented. /// Uma nova espécie do gênero Aratinga-A. pintoi (cacaué)-é descrita das áreas abertas da margem norte do baixo rio Amazonas, no Estado do Pará, Brasil. Esta nova espécie foi por muito tempo erroneamente identificada como um jovem de A. solstitialis ou um híbrido entre esta espécie e A. jandaya. Aratinga pintoi pode ser distinguida das outras espécies de Aratinga pela combinação dos seguintes caracters: penas do dorso e as coberteiras superiores das asas verdes com invasão de amarelo-claro; laranja-claro restrito apenas à região ventral e aos flancos; e pela presença de raque negra nas penas da região peitoral. Com base em caracteres de coloração da plumagem e na morfologia, sugerimos que esta nova espécie pertença a um grupo de espécies composto por A. solstitialis, A. jandaya, A. auricapillus e, possivelmente, Nandayus nenday. É apresentada também uma revisão da taxonomia e da distribuição dos membros deste grupo.

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