[Va-bird] Who knew White-Throat morphs could be so complicated?

From: "Bill McGovern" <bmcgovern@xxxxxxx>
To: <va-bird@xxxxxxxxxxxxx>
Date: Thu, 30 Mar 2017 19:24:40 -0400

This from Ken Kaufman and Audubon: "The Fascinating and Complicated Sex
Lives of White-throated Sparrows"

http://www.audubon.org/news/the-fascinating-and-complicated-sex-lives-white-
throated-sparrows

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» [Va-bird] Who knew White-Throat morphs could be so complicated? - Bill McGovern