La Tour du Valat

Article

Geographic variation in type I dialects of Hermit Warblers: does fragmented habitat promote variation in song?

Stewart Wayne Janes, Auteur ; Lee Ryker, Auteur ; Robert M. Ryan, Auteur

Dans Journal of Ornithology (158(2) 2017/04/01)

We evaluated the role of habitat fragmentation in promoting song variation and the potential for the generation of dialects within four type I dialect areas of Hermit Warblers (Setophaga occidentalis). The dialect areas differed markedly in the [...]

Plus d'information...

Ajouter au panier

Article

Nashville Warblers (Oreothlypis ruficapilla) use a single song type in southwestern Oregon with widely distributed song variants

Stewart W. Janes, Auteur ; Lee Ryker, Auteur

Dans Wilson Journal of Ornithology (The) (128(2) June, 2016)

ABSTRACT 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[...]

Plus d'information...

Ajouter au panier

Article

Geographic variation in Type I songs of Black-throated Gray Warblers

Stewart W. Janes, Auteur ; Lee Ryker, Auteur

Dans Wilson Journal of Ornithology (The) (123(2) 2011)

Plus d'information...

Ajouter au panier