Monday, October 19, 2009

Hermit Thrushes

I have been banding many Hermit Thrushes this fall.  If you look at fall thrushes, especially Hermit Thrushes, carefully, you will notice that they often have spotted secondary coverts.  These are unmolted juvenile feathers, indicating that you have a bird hatched this calendar year. (Birds without secondary spots are not necessarily adults, however, since the spots eventually wear away.)

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