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      Avifauna of the upper Purus River: relevant records for an area lacking ornithological surveys

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          Abstract

          Abstract Birds are the best-known vertebrate group, although many localities in the world are considered to be knowledge gaps. This is the case of many little-known environments in the Amazon biome, the world’s largest tropical forest. Here, we present a survey of birds in the upper Purus basin, comprising the municipalities of Manoel Urbano and Feijó in the Brazilian state of Acre, and Boca do Acre and Pauini in the state of Amazonas. In this region, poorly-studied habitats, such as open rainforest dominated by palms or bamboo, still predominate. We recorded 452 bird species during 45 field trips between May and July in 2016, and June to August in 2017. Twenty-four of these species are associated with bamboo habitat, 28 are endemic to the southwestern Amazon basin, and seven are threatened with extinction. This high diversity is typical of the western Amazon basin, one of the richest regions in the world in the number of species, due to the heterogeneity of the local environments. The data presented here highlight the importance of the region for the conservation of birds, including species typical of the western Amazon, some of which are still poorly-known.

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          Historical Biogeography and Patterns of Differentiation within the South American Avifauna: Areas of Endemism

           Joel Cracraft (1985)
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            Post-Eocene climate change, niche conservatism, and the latitudinal diversity gradient of New World birds

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              EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals

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                Author and article information

                Journal
                paz
                Papéis Avulsos de Zoologia
                Pap. Avulsos Zool.
                Museu de Zoologia da Universidade de São Paulo (São Paulo, SP, Brazil )
                0031-1049
                1807-0205
                2021
                : 61
                Affiliations
                Rio Branco Acre orgnameUniversidade Federal do Acre orgdiv1Centro de Ciências Biológicas e da Natureza orgdiv2Programa de Pós-Graduação em Ecologia e Manejo de Recursos Naturais Brazil diego.guima1@ 123456hotmail.com
                Piracicaba SP orgnameCasa da Floresta Ambiental Ltda Brasil
                Rio Branco Acre orgnameUniversidade Federal do Acre orgdiv1Centro de Ciências Biológicas e da Natureza orgdiv2Laboratório de Ornitologia Brazil guilherme.edson@ 123456gmail.com
                Rio Branco AC orgnameSecretaria de Estado de Meio Ambiente orgdiv1Divisão de Áreas Naturais Protegidas e Biodiversidade Brasil ricardoplacido13@ 123456gmail.com
                São Carlos orgnameUniversidade Federal de São Carlos orgdiv1Centro de Ciências Biológicas e da Saúde orgdiv2Programa de Pós-Graduação em Ecologia e Recursos Naturais Brazil fernando@ 123456casadafloresta.com.br
                Article
                S0031-10492021000100221 S0031-1049(21)06100000221
                10.11606/1807-0205/2021.61.21

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 91, Pages: 0
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