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Colonization history in Fennoscandian rodents
Phylogeographic surveys of mitochondrial DNA variation in Fennoscandian rodents have demonstrated that glacial history and patterns of post-glacial colonization have played a major role in shaping present day patterns of genetic differentiation within species. Expand
Phylogeography and Pleistocene refugia of the adder (Vipera berus) as inferred from mitochondrial DNA sequence data
The phylogeographical structure revealed in this study suggests complex recolonization dynamics of the European continent by V. berus, characterized by latitudinal as well as altitudinal range shifts, driven by both climatic changes and competition with related species. Expand
Transfer of mitochondrial DNA from the northern red-backed vole (Clethrionomys rutilus) to the bank vole (C. glareolus)
The presence of two distinctly different mtDNA lineages within Clethrionomys glareolus may be a consequence of a limited episode of hybridization between C. glareolu and C. rutilus, probably during the postglacial recolonization of Fennoscandia 8000–13,000 years ago. Expand
Queuing for preferred territories: delayed dispersal of Siberian jays
1. Siberian jays (Perisoreus infaustus) can acquire breeding status along two routes. Some offspring dispersed in their first summer of life, but one-third of birds ringed as nestlings (39 of 117,40Expand
Malformed offspring, sibling matings, and selection against inbreeding in the sand lizard (Lacerta agilis)
It is demonstrated that sand lizards are more likely to have malformed offspring when they mate with siblings, and normal‐looking siblings of malformed hatchlings also had a reduced survival in the wild, compared to offspring from clutches in which all siblings appeared normal. Expand
Colonization history of north European field voles (Microtus agrestis) revealed by mitochondrial DNA
The strict phylogeographic pattern suggests that the present population generic structure in field voles reflects glacial history: the two groups are derived from different glacial refugia, and recolonized Fennoscandia from two directions. Expand
Extra-pair paternity and tail ornamentation in the barn swallow Hirundo rustica
Female barn swallows pursue extra-pair copulations with attractive males, which may result in sexual selection, even though extra- Pair paternity is costly for females due to the reduction of paternal care by their social mates. Expand
The occurrence of mountain hare mitochondrial DNA in wild brown hares
The results indicate that interspecific hybridization between the two species occurs in wild populations of the brown hare and mountain hare in Scandinavia. Expand