On Tue, 5 Dec 1995, David Wright wrote:
> Re the significance of the chestnut collar, I seem to remember Kenn
> Kaufman's account in the Audubon "master guide" indicating that
> females can sometimes have a chestnut wash on the nape, as well as
> some black on the underparts. It's too bad field guides don't routinely

Absolutely right. I just checked, and if you look on p. 283 in volume 3
of this series, there's a photo of a female, showing a light chestnut
collar. Of course, this is assuming the field guide has ID'd the photo
correctly. Curiouser and curiouser.

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Michael R. Smith
Univ. of Washington, Seattle
whimbrel at u.washington.edu
http://salmo.cqs.washington.edu/~wagap/mike.html