Microscopic anthropogenic waste ingestion by small terrestrial European passerines: evidence from finch and tit families

Abstract Microscopic anthropogenic waste (MAW) has become a major environmental concern worldwide. Our study aimed to assess the accumulation of MAW in the gastrointestinal tracts of nine common European passerine species from finch (Fringillidae) and tit (Paridae) families, and evaluate their suita...

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Main Authors: Krzysztof Deoniziak, Anna Winiewicz, Marta Nartowicz, Weronika Mierzejewska, Sławomir Niedźwiecki, Wojciech Pol, Alina T. Dubis
Format: Article
Language:English
Published: Nature Portfolio 2025-05-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-01608-9
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author Krzysztof Deoniziak
Anna Winiewicz
Marta Nartowicz
Weronika Mierzejewska
Sławomir Niedźwiecki
Wojciech Pol
Alina T. Dubis
author_facet Krzysztof Deoniziak
Anna Winiewicz
Marta Nartowicz
Weronika Mierzejewska
Sławomir Niedźwiecki
Wojciech Pol
Alina T. Dubis
author_sort Krzysztof Deoniziak
collection DOAJ
description Abstract Microscopic anthropogenic waste (MAW) has become a major environmental concern worldwide. Our study aimed to assess the accumulation of MAW in the gastrointestinal tracts of nine common European passerine species from finch (Fringillidae) and tit (Paridae) families, and evaluate their suitability for environmental monitoring. We searched for MAW in the birds’ stomachs and intestines and identified suspected particles using Raman microspectroscopy. In total, we found 57 MAW particles in 31 out of 149 analyzed individuals, 7 of which were microplastics (polyethylene, polyethylene terephthalate, polystyrene), 1 was identified as carbon nanotube, while 49 were cellulosic-based (cotton, cellulose, rayon, viscose). The generalized linear mixed models identified bird family and time in season as significant predictors of MAW ingestion. Finches ingested more MAW than tits, and higher ingestion rates were observed during the non-breeding period. Other predictors, including bird sex, age, gastrointestinal tract section, and site, showed varying but non-significant effects. As predicted, the studied species exhibited a lower ingestion rate of MAW compared to terrestrial birds studied so far, possibly due to their diet and feeding behavior. Given that these species are prey for many avian and non-avian predators, they may contribute to the transfer of MAW to higher trophic levels.
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spelling doaj-art-0acb8b9d6b04450ab3a0eea09a50e9b52025-08-20T03:10:20ZengNature PortfolioScientific Reports2045-23222025-05-0115111210.1038/s41598-025-01608-9Microscopic anthropogenic waste ingestion by small terrestrial European passerines: evidence from finch and tit familiesKrzysztof Deoniziak0Anna Winiewicz1Marta Nartowicz2Weronika Mierzejewska3Sławomir Niedźwiecki4Wojciech Pol5Alina T. Dubis6Division of Biodiversity and Behavioural Ecology, Faculty of Biology, University of BialystokThe Włodzimierz Chętnicki Biological Science Club, Faculty of Biology, University of BialystokThe Włodzimierz Chętnicki Biological Science Club, Faculty of Biology, University of BialystokThe Włodzimierz Chętnicki Biological Science Club, Faculty of Biology, University of BialystokGlass Traps FoundationDepartment of Water Ecology, Faculty of Biology, University of BialystokFaculty of Chemistry, University of BialystokAbstract Microscopic anthropogenic waste (MAW) has become a major environmental concern worldwide. Our study aimed to assess the accumulation of MAW in the gastrointestinal tracts of nine common European passerine species from finch (Fringillidae) and tit (Paridae) families, and evaluate their suitability for environmental monitoring. We searched for MAW in the birds’ stomachs and intestines and identified suspected particles using Raman microspectroscopy. In total, we found 57 MAW particles in 31 out of 149 analyzed individuals, 7 of which were microplastics (polyethylene, polyethylene terephthalate, polystyrene), 1 was identified as carbon nanotube, while 49 were cellulosic-based (cotton, cellulose, rayon, viscose). The generalized linear mixed models identified bird family and time in season as significant predictors of MAW ingestion. Finches ingested more MAW than tits, and higher ingestion rates were observed during the non-breeding period. Other predictors, including bird sex, age, gastrointestinal tract section, and site, showed varying but non-significant effects. As predicted, the studied species exhibited a lower ingestion rate of MAW compared to terrestrial birds studied so far, possibly due to their diet and feeding behavior. Given that these species are prey for many avian and non-avian predators, they may contribute to the transfer of MAW to higher trophic levels.https://doi.org/10.1038/s41598-025-01608-9MicrofibersMicroplasticsCellulosic fibersTerrestrial ecosystemsRaman microspectroscopyBirds
spellingShingle Krzysztof Deoniziak
Anna Winiewicz
Marta Nartowicz
Weronika Mierzejewska
Sławomir Niedźwiecki
Wojciech Pol
Alina T. Dubis
Microscopic anthropogenic waste ingestion by small terrestrial European passerines: evidence from finch and tit families
Scientific Reports
Microfibers
Microplastics
Cellulosic fibers
Terrestrial ecosystems
Raman microspectroscopy
Birds
title Microscopic anthropogenic waste ingestion by small terrestrial European passerines: evidence from finch and tit families
title_full Microscopic anthropogenic waste ingestion by small terrestrial European passerines: evidence from finch and tit families
title_fullStr Microscopic anthropogenic waste ingestion by small terrestrial European passerines: evidence from finch and tit families
title_full_unstemmed Microscopic anthropogenic waste ingestion by small terrestrial European passerines: evidence from finch and tit families
title_short Microscopic anthropogenic waste ingestion by small terrestrial European passerines: evidence from finch and tit families
title_sort microscopic anthropogenic waste ingestion by small terrestrial european passerines evidence from finch and tit families
topic Microfibers
Microplastics
Cellulosic fibers
Terrestrial ecosystems
Raman microspectroscopy
Birds
url https://doi.org/10.1038/s41598-025-01608-9
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