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Article
The use of song by wood-warblers (Parulidae) with multiple song types has received little attention during migration. On the breeding area, the two song types serve to attract mates and defend territory, but the function(s) during migration, if [...]
Article
Stewart W. Janes, Auteur ; Lee Ryker, AuteurABSTRACT We investigated local and regional singing patterns of Nashville Warblers (Oreothlypis ruficapilla) in southern Oregon. Each male employed a single song, but within local populations individuals sang diverse and distinct variants with a[...]
