We studied the breeding biology of the Baywing (Agelaioides badius), a shared host of Screaming (Molothrus rufoaxillaris) and Shiny (M. bonariensis) cowbirds. We monitored 193 nests from December 2002 ...
In late spring and early summer, birds are busy building nests and raising their young. However, one exception is the freeloading Brown-headed Cowbird, laying its eggs in the nests of other birds, a ...
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