Replicated urban mosaics reveal trait- and species-specific shifts in carotenoid and structural plumage colouration of two passerines.

doi:10.1038/s41598-026-44382-y

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Replicated urban mosaics reveal trait- and species-specific shifts in carotenoid and structural plumage colouration of two passerines.

Scientific reports - 19 Mar 2026

Janas Katarzyna, Chatelain Marion, Corsini Michela, Da Silva Arnaud, Wardecki Łukasz, Szulc Justyna, Szulkin Marta

Abstract excerpt

Urban environments are characterized by markedly altered conditions, which can exert a negative impact on the organisms that inhabit them. Among phenotypic traits most sensitive to urbanization is the colourful plumage of birds. One of the best studied examples might be the urban dullness phenomenon, referring to carotenoid-based colours being subdued in urban areas. In contrast, melanin-based and structural...

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PMID: 41851207
DOI: 10.1038/s41598-026-44382-y
PMCID: PMC13136409

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