Vegetational correlates of variation in the song of Zonotrichia capensis
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- Handford, P. Behav Ecol Sociobiol (1981) 8: 203. doi:10.1007/BF00299831
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1. Geographical variation in the song of Zonotrichia capensis, the Rufous-Collared Sparrow, in northwestern Argentina is discussed. Boundaries between song ‘dialects’ appear to have been stable for at least 10 years. 2. The pattern of song change previously described on a transect across the Aconquija mountains is shown to be duplicated on similar transects elsewhere in these mountains. The association of song types with features of the environment is supported.