Luis F. Baptista; Geographic Variation in Song and Dialects of the Puget Sound White-Crowned Sparrow, The Condor, Volume 79, Issue 3, 1 July 1977, Pages 356–370
No takes yet. Share an insight, caveat, or question.
Luis F. Baptista (1977) studied this question.
Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context: