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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