This bird only nests in young jack pine forests in northern Michigan. In 1971, a census recorded only 201 singing males, and both limited/poor quality of habitat and cowbird parasitism were proposed ...

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

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 ...

In contrast, least Bell’s vireo (V. bellii pusillus) and southwestern willow flycatcher (Empidonax traillii extimus) still require cowbird control after modest increases in suitable habitat. Our ...

Brown-headed Cowbirds (Molothrus ater) are brood parasites that lay their eggs in the nests of host species. Cowbird chicks typically grow up in mixed broods consisting of one or more cowbird chicks ...

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 ...

The open fields around the forest fragments have provided suitable habitat for the brown-headed cowbird, leading to its increased abundance. The cowbird lays its eggs in the nests of songbirds. The ...

"The reason for their decline is a puzzle, although one suspect is the brown-headed cowbird, which lays its eggs in the nests ...

The cowbird uses 40 different notes ... for example at night or in dense vegetation. Whatever the habitat, birds have a way of singing into it. When a bird sings, it can always be heard, even ...

From the variegated flycatcher to the Steller's sea eagle, birders seek out those how-did-that-species-get-here moments.

Once assembled, it looks like any other new house. There is even a front porch. Habitat for Humanity Buffalo sees this type of home as one solution to help meet the city’s urgent need for more ...