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<p>Here we report the first evidence of microplastic ingestion by arboreal primates. We found green-colored microplastic fiber filaments (&lt; 5&#xa0;mm) in the stomachs of two red howler monkey (<i>Alouatta juara</i>) individuals from central Amazonian <i>várzea</i> forests during seasonal&#xa0;floods. We infer that the plastic particles may have been derived from the decomposition of ghost nets (abandoned fishing nets) deposited on trees during annual flooding of the <i>várzea</i> forests. Our findings highlight the need for further research to assess the extent of plastic ingestion by forest-dwelling species and the possible consequences for the health of wild animals, humans, and ecosystems.</p>

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First Evidence of Microplastic Ingestion by an Arboreal Primate

  • 期刊论文

  • 发表日期：

    2025年9月22日

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  • Anamélia de Souza Jesus,
  • Flavia Alessandra da Silva Nonato,
  • Alisson Nogueira Cruz,
  • João Valsecchi,
  • Hani R. El Bizri,
  • Daniel Tregidgo,
  • Rafael Rabelo

摘要

Here we report the first evidence of microplastic ingestion by arboreal primates. We found green-colored microplastic fiber filaments (< 5 mm) in the stomachs of two red howler monkey (Alouatta juara) individuals from central Amazonian várzea forests during seasonal floods. We infer that the plastic particles may have been derived from the decomposition of ghost nets (abandoned fishing nets) deposited on trees during annual flooding of the várzea forests. Our findings highlight the need for further research to assess the extent of plastic ingestion by forest-dwelling species and the possible consequences for the health of wild animals, humans, and ecosystems.