Keywords: Great Blue Heron-rangemap.gif Approximate range/distribution map of the Great Blue Heron Ardea herodias In keeping with WikiProject Birds guidelines yellow indicates the summer-only range blue indicates the winter-only range green indicates the year-round range and orange indicates areas through which the species will pass during migratory activity http //www kenthomas us personal website of author 2007-03-18 Ken Thomas This image is released to the public domain and therefore no permission or credit is required Comments and/or feedback however are always welcome See my user page for contact info biogeographical map Pelecaniformes distribution maps Ardea herodias |