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House Sparrows Passer domesticus with larger uropygial glands show reduced feather wear

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Abstract:

This study assesses whether uropygial gland size is related to improved feather quality. To address this question, I analysed the relationship between uropygial gland size and feather wear in the House Sparrow Passer domesticus. The results show that birds with larger uropygial glands had less worn feathers, suggesting that uropygial gland secretions improve feather resistance to abrasion.

Keywords: feather degradation; feather wear

Document Type: Short Communication

DOI: https://doi.org/10.1111/j.1474-919X.2010.01082.x

Publication date: 2011-01-01

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