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Grasshopper Sparrow (Ammodramus savannarum) (1 Viewer)

C

cwbirder

Well-known member
United States
I was going through paper alerts today and came across this paper that looks at one of the subspecies of Grasshopper Sparrow. I thought it might be useful to post here, as they say that this will inform any future taxonomic work or field ID of subspecies on wintering grounds (at least, they say this in the abstract; I haven't read the paper).

Life History Attributes of Arizona Grasshopper Sparrow (Ammodramus savannarum ammolegus) and Comparisons with Other North American Subspecies
The American Midland Naturalist
http://www.bioone.org/doi/abs/10.1674/0003-0031-178.1.64
 
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