Some consider brown-headed cowbirds to be a threat. Setting up backyard bird feeders and birdbaths is an easy way to enjoy birdwatching in your yard while supporting local bird populations. However, ...

People have long wondered how cowbirds can get away with leaving their eggs in the nests of other species, who then raise the baby cowbirds. Why don't the hosts just toss the strange eggs out? Now ...

The observation of three brown-headed cowbirds a few days ago were the first we've ever seen in our yard. The range of these blackbird relatives has been expanding throughout North America this ...

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 ...