[TN-Bird] On the Rose-breasted Grosbeak Migration

From: "Charles P. Nicholson" <cpnichol@xxxxxxxxxxxxx>
To: <tn-bird@xxxxxxxxxxxxx>
Date: Mon, 30 Apr 2007 20:59:42 -0400
During the last two weeks I have received about 20 inquiries through the TOS
web site about rose-breasted grosbeaks.  This is a much greater inquiry rate
than I have ever received about any bird in all the years that the TOS web
site has been online.  Virtually all of the inquiring folks have grosbeaks
at their feeders and they either don't know what they are seeing or have
identified them but note that they have never seen them before and want more
information about them.  
 

I find this interesting for at least a couple reasons.  First, it suggests
that more rose-breasted grosbeaks are showing up at feeders right now than
is normal in the spring.  Many of you have also posted messages to this
list-serve about observing grosbeaks at your feeders.  This increased
presence at feeders could be due to the effects of the Easter freeze, with
the reduced availability of foliage-feeding insects, fleshy buds, parts of
flowers like those of the tulip poplar, and other "natural" foods eaten by
migrating grosbeaks making the grosbeaks more likely to visit feeders.
Unfortunately, this hypothesis is difficult to test.

 

Secondly, it is nice to know that a lot of folks across the state are
turning to the TOS for answers to their bird questions after presumably
finding www.tnbirds.org <http://www.tnbirds.org/>  through a web search.

 

Chuck Nicholson

Norris, TN

 



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[TN-Bird] On the Rose-breasted Grosbeak Migration

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