But the cowbird has the most unusual nesting strategy ... behavior hasn’t harmed other species in a balanced undisturbed habitat. So, in fact the reason we think they are a “bad birds ...

This data set concerns the possible effects of brood parasitism on the species composition of a songbird community. Your instructor will give you directions about using this file to make figures ...

Because cowbird eggs require a shorter incubation ... each year would be better spent in the long term on [forest] habitat ...

The archive data are tables showing the "number and species of passerine individuals detected per site at cowbird (Molothrus ater) Removal and Control sites near habitat of the Kirtland's Warbler in ...