Image: Sialia sialis distribution

Description: geographic distribution of Sialia sialis Yellow: Native (breeding seasons only) Blue: Native (nonbreeding seasons only) Gre Native (year round)
Author: compiled by rbrausse with Quantum GIS Map data based on: Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com. Range data based on: Ridgely, R. S., T. F. Allnutt, T. Brooks, D. K. McNicol, D. W. Mehlman, B. E. Young, and J. R. Zook. 2007. Digital Distribution Maps of the Birds of the Western Hemisphere, version 3.0. NatureServe, Arlington, Virginia, USA.
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC-BY-SA-3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0/
Attribution Required?: Yes
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