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Abundance, Occurrence, and Seasonality of the Subtropical Doradito (Pseudocolopteryx acutipennis) on the Coast of Brazil

机译:巴西海岸亚热带十二指肠(Pseudocolopteryx acutipennis)的丰度,发生和季节性

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摘要

The Subtropical Doradito (Pseudo-colopteryx acutipennis) is a small tyrannid that breeds in shrubby marshlands of South America. Post-breeding migration occurs in both mountain and lowland populations, but little is known of the destination(s) of these birds. Subtropical Doraditos have recently been found during the southern winter, or non-breeding season, in several localities in southern Amazonian Brazil and the Pantanal, with four reports from coastal Brazil. Our observations and censuses in coastal marshes of southeast and southern Brazil have produced eight records of Subtropical Doradito in the states of Parana and Sao Paulo. In light of comparison with other Brazilian records compiled for this study, we suggest that coastal winterers are likely latitudinal migrants from geographically restricted breeding grounds in the Pampas of Argentina. In addition, we discuss conservation problems for the Subtropical Doradito in coastal wintering areas.
机译:亚热带海螯虾(Pseudo-colopteryx acutipennis)是一种小型暴君,在南美的灌木丛沼泽地中繁殖。繁殖后的迁徙都发生在山区和低地种群中,但是对这些鸟类的目的地知之甚少。最近在南部亚马逊南部和潘塔纳尔湿地的几个地方的南部冬季或非育种季节发现了亚热带Doraditos,巴西沿海有四份报道。我们在巴西东南部和南部的沿海沼泽地中进行的观察和普查已在巴拉那州和圣保罗州产生了八份亚热带Doradito记录。根据与本研究汇编的其他巴西记录的比较,我们建议沿海越冬者很可能是来自阿根廷潘帕斯地区受地理限制的繁殖地的纬度移民。此外,我们还讨论了沿海越冬地区亚热带Doradito的保护问题。

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  • 来源
    《The wilson journal of ornithology》 |2017年第1期|199-206|共8页
  • 作者单位

    Programa de Pós-Graduação em Zoologia, Universi-dade Federal do Parana, Centro Politécnico, Jardim das Americas, CEP 81531-980, Curitiba, Parana, Brazil,Mater Natura - Instituto de Estudos Ambientais, Rua Lamenha Lins 1080, CEP 80250-020, Curitiba, Parana, Brazil;

    Mater Natura - Instituto de Estudos Ambientais, Rua Lamenha Lins 1080, CEP 80250-020, Curitiba, Parana, Brazil,Laboratorio de Biodiversidade, Conservação e Eco-logia de Animais Silvestres, Departamento de Zoologia. Universidade Federal do Parana, Centro Politéenico, Jardim das Americas, CEP 81531-980, Curitiba, Parana, Brazil;

    Mater Natura - Instituto de Estudos Ambientais, Rua Lamenha Lins 1080, CEP 80250-020, Curitiba, Parana, Brazil,Programa de Pós-Graduação em Ecologia e Conser-vaça~o, Universidade Federal do Parana, Centro Politécni-co, Jardim das Americas, CEP 81531-980, Curitiba, Parana, Brazil,Laboratorio de Ecologia Vegetal, Departamento de Botânica, Universidade Federal do Parana, Centro Po-litecnico, Jardim das Americas, Caixa Postal 19031, CEP 81531-980, Curitiba, Parana, Brazil;

    Rua Salgado Filho 550, Ap. 4, CEP 84600-000, União da Vitória, Parana, Brazil;

    Museum of Natural Science, 119 Foster Hall, Louisiana State University, Baton Rouge, LA 70803, USA.;

    Programa de Pós-Graduação em Ecologia e Conser-vaça~o, Universidade Federal do Parana, Centro Politécni-co, Jardim das Americas, CEP 81531-980, Curitiba, Parana, Brazil;

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  • 正文语种 eng
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  • 关键词

    austral migrant; coastal wetlands; subtropical salt marshes; tidal marshes; Urochloa arrecta;

    机译:南方移民沿海湿地;亚热带盐沼潮汐沼泽弓形虫;

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