Female brown-headed cowbird (Molothrus ater) singing at Jamaica Bay Wildlife Refuge near New York City. (Credit: Rhododendrites / CC BY-SA 4.0) Brown-headed cowbirds, Molothrus ater, are fascinating ...

CHAMPAIGN, Ill. — Brown-headed cowbirds are generalist brood parasites, laying their eggs in the nests of many other bird species and letting the host parents raise their young. A new study seeks to ...

YAKIMA, Wash. -- The brown-headed cowbird is bad news for other songbirds because it lays its eggs in the nest of other birds and takes no part in incubating its eggs or raising the young. This ...

It’s that time of year here in our neck of Pennsylvania when it’s prime nesting season for our feathered friends. Case in point: Our home in Northbrook is now surrounded by nesting birds. These ...

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 ...

It’s that time of year here in our neck of Pennsylvania when it’s prime nesting season for our feathered friends. Case in point: Our home in Northbrook is now surrounded by nesting birds. These ...

Many species of birds get reputations of various sorts. One species that gets a bad rap, through no fault of its own, is the brown-headed cowbird. The female cowbird lays its eggs in the nests of ...

Over a door in the quiet yard of a historic home in Newburyport, a drama is unfolding. A house finch couple built a nest, the female laid her eggs, and then a brown-headed cowbird showed up. Since ...