Introduced Swedish Canada Geese (Branta canadensis) have low levels of genetic variation as revealed by DNA fingerprinting.

Journal of Evolutionary Biology 8(2):195-207. ISSN 1010-061X.

Abstract:

The Swedish, Finnish and Norwegian population of Canada geese (Branta canadensis), now amounting to some 30-50000 birds, was founded by only five individuals. We used DNA fingerprinting to assess the level of genetic variability.

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