Mating systems, sexual dimorphism, and the role of male North American passerine birds in the nesting cycle, by Jared Verner and Mary F. Willson.
|Main Author:||Verner, Jared.|
|Related Names:||Willson, Mary F.|
[Anchorage, Ky.] American Ornithologists Union 
Sexual dimorphism (Animals)
Birds > Behavior.
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