005570000a2200157000450024501310000065000090013165000320014065000170017265000230018965100130021265100130022565300450023804100130028310000210029677300820031710aGeographic variation in the yellow warblers (<Dendroica petechia: Parulidae>) of the Pacific coast of middle and South America14aAves14aDistribución geográfica14aMorfología14aTaxonomía animal 4pPanamá 4pColombia  fParulidaegDendroicaeDendroica petechia0 aInglés1 aOlson, Storrs L.1 tProceedings of the Biological Society of Washington341h2q473-480d1980g93