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The effects of contemporary processes in maintaining the genetic structure of western song sparrows (Melospiza melodia)

โœ Scribed by Pruett, C L; Arcese, P; Chan, Y L; Wilson, A G; Patten, M A; Keller, L F; Winker, K


Book ID
109860701
Publisher
Nature Publishing Group
Year
2008
Tongue
English
Weight
241 KB
Volume
101
Category
Article
ISSN
0018-067X

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โœ John C. Wingfield; Masaru Wada ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› Springer ๐ŸŒ English โš– 598 KB

Previous investigations have shown that malemale interactions over territory boundaries result in an increase in plasma levels of testosterone (T). In order to determine the time course of this increase following an agonistic challenge, male song sparrows, Zonotrichia (= Melospiza) melodia, were exp