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 ...

Some cowbirds make warblers an offer they can't refuse: Brood over my eggs, or I'll rough up your nest. Cowbirds are a parasitic species that lay eggs in the nests of other birds, called hosts, which ...

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 ...

Thorington, K. K., Bowman, R., and Fleischer, Robert C. 2007. "Molothrus ater (Brown-headed Cowbird) lays egg in artificial nest in highlands County, Florida ...

One of the most interesting topics discussed in my Ornithology class was about the “con artists” found in nature… Brood parasitism occurs when a female bird (the parasite) lays her eggs in the nest of ...

Scientists are trying to better understand how some baby birds are given up for adoption. To be more precise, some birds give up their eggs, leaving them for others to raise. Scientists who study this ...

Unlike most other bird species, the brown-headed cowbird (Molothrus ater) lays its eggs in the nests of other bird species and leaves the host to raise its young—a behavior known as brood parasitism.