>
>I'm interested in OC warbler singing patterns as will as singing behavior
>of other migrants. Does anyone know of any literature dealing with the
>changes in singing behavior pre and post nesting? It seems to me that
>song variation in OC Warbs happens more in late spring. More offbeat
>songs now (eg. pitch rising at the end of song) than soon after arrival
>when most songs are classic.
>Diane Richardson richd at amtsgi.bc.ca
>
>
>Diane Richardson EMaDiane Richardson; EMail: richd at island.amtsgi.bc.ca ;
>King Rd., Salt Spring Island, BC V8K IW9
>
>
>


Morse, Douglas. 1989. _American Warbler: an Ecologiccal and Behavioral
Persective_. Harvard U Press.

Morse devotes an entire chapter to song repetoire and display. I suspect
some of the answers you seek will be there.



--
******************************** In the midst of the word he was trying to sa
* Mike Patterson, Astoria, OR * In the midst of his laughter and glee,
* mpatters at ednet1.osl.or.gov * He had softly and suddenly vanished away---
******************************** For the Snark *was* a Boojum, you see.