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The Adaptive Value of Thick-Shelled Eggs for Brown-Headed Cowbirds

Patrick J. Weatherhead
The Auk
Vol. 108, No. 1 (Jan., 1991), pp. 196-198
Stable URL: http://www.jstor.org/stable/4088070
Page Count: 3
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The Adaptive Value of Thick-Shelled Eggs for Brown-Headed Cowbirds
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