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Black-and-white warblers prefer to nest in wetter areas. They construct a cup-shaped nest, often located on the ground among roots or against a tree, or in crevices on tree stumps. The nest is made with grassy material, bark, and dry leaves, and lined with softer material such as moss and hair.
Mniotilta varia is entirely black and white in all plumages, except for a creamy wash on the face and flanks of many females. The head has a white median crown stripe bordered by black. A bold white border to the tertials is distinctive, as are the black uppertail coverts with white fringes.
This crisply striped bundle of black and white feathers creeps along tree trunks and branches like a nimble nuthatch, probing the bark for insects with its slightly downcurved bill. Though you typically see these birds only in trees, they build their little cup-shaped nests in the leaf litter of forests across central and eastern North America.
Black-and-white warblers nest on the ground, laying 4–5 eggs in a cup nest. The black-and-white warbler is of the first warblers to arrive to its spring breeding grounds. In the southernmost range of its breeding habitat, it can begin breeding mid-April.
[6] [3] The summer male black-and-white warbler is boldly streaked in black and white, and the bird has been described as a flying humbug. [7] Each wing is black with two white wing bars. Female and juvenile plumages are similar, but duller and less streaky than males.
this delightful bird is the only North American wood-warbler that primarily forages on bark. The Black-and-white Warbler is distinctive with its black and white streaking. Males have black cheeks and are heavily striped below, while the slightly smaller female is gray striped below with gray cheeks. Young birds resemble females, and both may ...
The nest is made on leaves, coarse grass, with other fine materials used for lining. The female lays 4 to 6 white eggs flecked with brown. Incubation lasts about 10 to 12 days, by female. Male sometimes feeds her at nest. Both parents feed the young and defend the nest. Chicks leave the nest 8 to 12 days after hatching.
