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- Ranke, Peter S., et al.
(author)
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Long-distance dispersal in the short-distance dispersing house sparrow (Passer domesticus)
- 2024
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In: Ecology and Evolution. - : John Wiley & Sons. - 2045-7758. ; 14:5
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Journal article (peer-reviewed)abstract
- The house sparrow (Passer domesticus) is a small passerine known to be highly sedentary. Throughout a 30-year capture-mark-recapture study, we have obtained occasional reports of recoveries far outside our main metapopulation study system, documenting unusually long dispersal distances. Our records constitute the highest occurrence of long-distance dispersal events recorded for this species in Scandinavia. Such long-distance dispersals radically change the predicted distribution of dispersal distances and connectedness for our study metapopulation. Moreover, it reveals a much greater potential for colonization than formerly recorded for the house sparrow, which is an invasive species across four continents. These rare and occasional long-distance dispersal events are challenging to document but may have important implications for the genetic composition of small and isolated populations and for our understanding of dispersal ecology and evolution.
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