Brown-headed cowbirds (Molothrus ater) are native to North America and commonly referred to as simply cowbirds. They also ...

But, many birds will accept the cowbird egg as their own and raise the cowbird young as if it were their own baby bird. The practice of laying your eggs in another bird’s nest is called ...

You've probably heard of invasive plants, but what about invasive birds? These common nonnative species are now abundant in ...

The common brown-headed cowbird is the most widespread brood parasite in North America. Poly­typic. Length 7.5". A smallish, compact and stocky blackbird with a short and thick-based bill ...

It has long been assumed that cowbird parasitism can result in changes in songbird communities, but surprisingly the De Groot and Smith (2001) study is the first to assess whether this brood parasite ...

Numerous studies show reproductive losses for individual host species, and therefore it has long been assumed that cowbird parasitism can result in changes in songbird communities. Surprisingly the De ...

Well, the answer is yes and no. The incredible story goes like this. There is a bird called the brown-headed cowbird. It’s called this because the male has a brown head and it is commonly seen ...

Bird flu is here to stay. The H5N1 avian influenza is proliferating among U.S. cows and there are now two strains circulating among mammals and birds. Though there are only 68 confirmed cases in ...