Geographic variation in the song of willow flycatchers: Differentiation between Empidonax traillii adastus and E. t. extimus

Auk

Volumn 118, Issue 2, 2001, Pages 366-379

  Sedgwick, J A ^a  

^a Biological Resources Division   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

AVIFAUNA; DIFFERENTIATION; INTERPOPULATION VARIATION; SONG; VOCALIZATION;

AVES; EMPIDONAX TRAILLII; SALIX;

EID: 0034955634     PISSN: 00048038     EISSN: None     Source Type: Journal    
DOI: 10.2307/4089798     Document Type: Article

References (45)

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35. Response
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