Mitochondrial mysteries and splitting-lumping Yellow-rumped Warblers
10,000 Birds
JANUARY 26, 2014
There are four generally recognized groups within the complex, “ Myrtle ” ( coronata ) of eastern and northern North America, “ Audubon’s ” ( auduboni ) of the western United States and western Canada, “ Black-fronted ” ( nigrifrons ) of Mexico, and “ Goldman’s ” ( goldmani ) of Guatemala.
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