One of the best compilations I have found for flight calls is a blog by P.J. Deye:
http://pjdeye.blogspot.com/2011/01/finch-calls.html
Overall, my favorite site for all other vocalizations is Cornell's Macauley Library of Natural Sounds (but flight calls are harder to come by):
�http://macaulaylibrary.org/search?location_id=&location_type_id=&location=&recordist=&recordist_id=&catalogs=&behavior=&behavior_id=&tab=audio-list&taxon_id=12007838&taxon_rank_id=67&taxon=white+winged+crossbill
Ross Geredien
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From: Wayne Baumgartner <whbaumga...>
To: <mdbirding...>
Sent: Wednesday, November 7, 2012 9:27 AM
Subject: [MDBirding] Request for recorded birdsong recommendations
Hi all,
I have seen many reports on MDbirding recently of winter finch IDs (crossbill, siskin, grosbeak, etc) made by listening to flight calls while birds are passing overhead. �I have some bridsong compilations (eg, Stokes), but it is often difficult to identify which recorded phrases are associated with what types of behavior since there is little annotation.
Can anyone recommend good compilations of recorded birdsong? �Especially for learning things like the flight calls of White Crossbills?
�Thanks, and good birding,
� �-Wayne Baumgartner
� � � Washington, DC
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