๐”– Bobbio Scriptorium
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RESPONSES OF MALE SONG SPARROWS MELOSPIZA MELODIA TO NEIGHBOURING AND NON-NEIGHBOURING INDIVIDUALS

โœ Scribed by Margaret A. Harris; Robert E. Lemon


Book ID
115280410
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
298 KB
Volume
118
Category
Article
ISSN
0019-1019

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Changes in plasma levels of testosterone
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