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Unformatted text preview: - Mute resident territorial male and document intrusions Female song can be documented in similar ways, using playbacks from inside of nestboxes and in mate choice apparatus. Also can analyze a male’s song and then document his reproductive success. What about song makes it an honest signal? Song Rate Repertoire Size Song Complexity Song pitch (frequency) What may these things indicate? Song as an honest signal: Developmental stress hypothesis – stress during song development exerts long-term effects on adult song abilities WHITE CROWNED SPARROW EXAMPLE Zahavi Handicap Hypothesis – singing takes energy from other important bodily functions. So song is a handicap....
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This note was uploaded on 04/08/2011 for the course POUL 3123 taught by Professor Navara during the Spring '09 term at UGA.
- Spring '09