Article
The ruddy duck Oxyura jamaicensis in Europe: natural colonization or human introduction?
Molecular ecology - 1 May 2006
Muñoz-Fuentes Violeta, Green Andy J, Sorenson Michael D, Negro Juan J, Vilà Carles
Abstract excerpt
Native to North America, ruddy ducks Oxyura jamaicensis now occur in 21 countries in the western Palaearctic (including Iceland) and their expanding population threatens the native white-headed duck, Oxyura leucocephala, through hybridization and possibly competition for food and nest sites. We used mitochondrial DNA sequences and nuclear microsatellites to test whether the European ruddy duck population is...
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