Range Expansion of Barred Owls, Part II: Facilitating Ecological Changes

@inproceedings{Livezey2009RangeEO,
  title={Range Expansion of Barred Owls, Part II: Facilitating Ecological Changes},
  author={Kent B. Livezey},
  year={2009}
}
  • Kent B. Livezey
  • Published 2009
  • Biology
  • Abstract In Part I (Livezey, 2009), I presented the chronology and distribution of the range expansion of Barred Owls (Strix varia) from the late 1800s to the present. Here I explore what had prevented Barred Owls from expanding their range westward during recent millennia and what allowed them to do so during the past century. Using strength-of-evidence analysis, I evaluate the plausibility of the five ecological or behavioral changes proposed in the literature to have facilitated the range… CONTINUE READING
    28 Citations

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