[TN-Bird] Re: Lewis County: Blue-winged Warbler arrival, alternate songs
- From: Bill Pulliam <bb551@xxxxxxxxxxxxx>
- To: Tennessee Birds <TN-bird@xxxxxxxxxxxxx>
- Date: Tue, 3 Apr 2007 11:02:41 -0500
On Apr 3, 2007, at 9:17 AM, K Dean EDWARDS wrote:
> Both "B" songs Bill mentions (Blue-winged and Golden-winged) are on
> the Stokes CDs (Eastern version).
Thanks for the info, Dean. It needs to also be kept in mind that the
alternate songs are more variable than the primary songs. The male
Blue-winged Warbler here seems to have ditched his primary song after
only one day back on territory. Since then I have heard nothing but
the "B" song (persistently!) in several variants, all presumably from
the same male. My understanding is that the primary song is mostly
given by migrants and unmated birds newly arrived on territory, with
the alternate song being typical of males established on their
nesting grounds.
Bill Pulliam
Hohenwald TN
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