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Conservation Genetics

, Volume 10, Issue 4, pp 923–933 | Cite as

No phylogeographic structure in the circumpolar snowy owl (Bubo scandiacus)

  • Gunnhild Marthinsen
  • Liv Wennerberg
  • Roar Solheim
  • Jan T. Lifjeld
Short Communication

Abstract

The snowy owl (Bubo scandiacus) is a nomadic species with a circumpolar distribution. It has recently declined in the western Palearctic and may thus be worthy of special consideration for conservation. We investigated genetic structure in three well separated geographic regions within the snowy owls’ breeding range. We sequenced two mitochondrial genes; the control region and cytochrome b, and two Z-chromosome introns; VLDLR-9 and BRM-15. We found no phylogeographic structure among the sampled regions, indicating high levels of gene flow in the recent past and possibly still today. Intra-population diversity did not vary between regions for the control region, but for Cyt b, North American birds had higher haplotype diversity than Scandinavian and eastern Siberian birds. Western Palearctic birds do not seem to be genetically deprived or inbred. Genetic diversity in the snowy owl was not lower than Scandinavian populations of three other owl species: tawny owls (Strix aluco), Tengmalm’s owls (Aegolius funereus) and eagle owls (Bubo bubo).

Keywords

Genetic structure Gene flow mtDNA control region Phylogeography Population genetics Z-chromosome intron 

Notes

Acknowledgements

The study received financial support from the Norwegian Ornithological Society and the Research Council of Norway. We thank the Field Museum in Chicago, the Swedish Museum of Natural History, the Zoological Museum at the University of Oulu, Tromsø Museum, Lista Bird Observatory, the Swedish Polar Research Secretariat, colleagues at the Dept of Animal Ecology at Lund University, C. Steel and E. Dahl for samples, and D. Ehrich, J. Johnson, four anonymous referees and colleagues at NHM, for valuable comments on the manuscript.

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Gunnhild Marthinsen
    • 1
  • Liv Wennerberg
    • 1
  • Roar Solheim
    • 2
  • Jan T. Lifjeld
    • 1
  1. 1.National Centre for Biosystematics, Natural History MuseumUniversity of OsloOsloNorway
  2. 2.Agder Museum of Natural HistoryKristiansand SNorway

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