Image: Rsos140346f02
![Rsos140346f02](/images/thumb/4/4f/Rsos140346f02.jpg/800px-Rsos140346f02.jpg)
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Description: Western populations represented by orange region. Central populations represented by blue region. Eastern Populations represented by yellow region. Breeding locations are indicated by filled symbols. Non-breeding locations are indicated by unfilled symbols.
Title: Rsos140346f02
Credit: https://royalsocietypublishing.org/cms/asset/b626245c-191d-4d85-b22d-1d6b3b04050b/rsos140346f02.jpg
Author: Elizabeth A. Gow and Karen L. Wiebe
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes
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