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<p>Endangered species may suffer from parasites due to their typically small populations, such as the critically endangered Araripe Manakin (<i>Antilophia bokermanni</i>). Its risk of infection is great, with only 150–700 individuals in &lt; 50 km<sup>2</sup> of humid forest enclaves in the Chapada do Araripe in the northeastern Brazilian state of Ceará. Haemosporidian parasites have a cosmopolitan distribution and so pose a serious threat. We captured birds from 6 May 2021 to 30 September 2022 (excluding&#xa0;October and November when they are breeding), collected blood samples and screened for haemosporidion parasites (Apicomplexa: Haemosporida) using PCR. None of the 65 individuals captured had evidence of <i>Plasmodium</i>, <i>Haemoproteus,</i> or <i>Leucocytozoon</i> infections<i>.</i> We explore some hypotheses to explain the absence of infections, and consider the implications for the conservation of this critically endangered species.</p>

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The critically endangered Araripe Manakin (Antilophia bokermanni) is uninfected by, but probably susceptible to, haemosporidians in northeastern Brazil

  • 期刊论文

  • 发表日期：

    2025年4月3日

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  • Verônica L. Silva,
  • João H. Oliveira,
  • Pedro Henrique O. Pereira,
  • Geovana S. Sandes,
  • Érika M. Braga,
  • Alexandre M. Fernandes

摘要

Endangered species may suffer from parasites due to their typically small populations, such as the critically endangered Araripe Manakin (Antilophia bokermanni). Its risk of infection is great, with only 150–700 individuals in < 50 km2 of humid forest enclaves in the Chapada do Araripe in the northeastern Brazilian state of Ceará. Haemosporidian parasites have a cosmopolitan distribution and so pose a serious threat. We captured birds from 6 May 2021 to 30 September 2022 (excluding October and November when they are breeding), collected blood samples and screened for haemosporidion parasites (Apicomplexa: Haemosporida) using PCR. None of the 65 individuals captured had evidence of Plasmodium, Haemoproteus, or Leucocytozoon infections. We explore some hypotheses to explain the absence of infections, and consider the implications for the conservation of this critically endangered species.