2013 AOU North American checklist proposals
10,000 Birds
MARCH 17, 2013
Proposal 2013-A-3 recommends adopting that split on the basis of a 2009 study (I wrote about it back in the day here ). Sage Sparrow split. Proposal 2013-A-7 would split the Sage Sparrow ( Amphispiza belli ) into two species: Great Basin Sage Sparrow ( A. nevadensis ) and California Sage Sparrow ( A.
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