Partial albinism in a semi-isolated population of great reed warblers

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Abstract

Albinism in birds is thought to result from the expression of recessive alleles that disrupt melanin pigmentation at feather development. We have studied great reed warblers Acrocephalus arundinaceus in a recently founded and increasing population in Sweden during 15 years for the presence of birds with albinistic feathers. The study population was founded in 1978 and the few cases of albinism was exclusively recorded during the first five pears of our study (1985-1989). This fits to the expected pattern if albinism is governed by recessive alleles; we have previously demonstrated that the population suffered from inbreeding during the first years of our study. The albinistic birds experienced a similar lifetime reproductive success as normally coloured birds.

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  • Genetics
Original languageEnglish
Pages (from-to)167-170
JournalHereditas
Volume133
Issue number2
Publication statusPublished - 2000
Publication categoryResearch
Peer-reviewedYes

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