It is seen mostly in the eastern regions of North America. Often confused with Tennessee Warbler, Orange-crowned appears stockier with a slightly decurved bill, “smudgy” appearance, and yellow undertail coverts. Previously two separate species: Myrtle Warbler of the east (white throat) and Audubon's Warbler of the west (yellow throat). Range and Habitat. There was a time when the Yellow-rumped Warbler (Audubon's) and the Yellow-rumped Warbler (Myrtle) were considered to be two different bird species. The Myrtle Warbler, which is the variety we mainly see in Wisconsin, and the Audubon’s Warbler, the Western counterpart named to honor John James Audubon distinguished by a bold yellow throat, were combined to the single species we have today when a hybrid breeding zone was discovered Some ornithologists are making a case that the Yellow-rumped Warbler could be divided back into separate … RANGE: Audubon’s Warbler lives in the West, and “Myrtle” Warbler in the East. The yellow-rumped warbler nests in the Refuge, usually in a conifer. A large warbler, averaging 14 cm long and 12 to 13 g. There are two well-marked subspecies groups - Myrtle Warbler (Dendroica coronata coronata) and Audubon's Warbler (Dendroica coronata auduboni).All plumages and subspecies possess the yellow rump that gives the species its name. North America is home to two migratory Yellow-rumped Warbler groups that are sometimes considered separate species: the "Myrtle" Warbler of eastern and far-northwestern North America and the "Audubon's" Warbler of the West. The two groups hybridize where their ranges meet in southwestern Canada, and were combined into a single species in 1973, named … Also breeds in Pennsylvania and locally in northeastern West Virginia mountains. Behavior In winter and migration, Yellow-rumped Warblers are found foraging in flocks with their own species. Preferred habitat: Brushy clearings, aspens, undergrowth. Status in Tennessee: This warbler is a common migrant, and a fairly common winter resident across the state from October through April. This is a hardy warbler and less likely to migrate over long distances, as other warblers do. Breeds in shrubby vegetation, usually deciduous undergrowth in various habitats, … The nest is made of twigs, rootlets, and grass, and is lined with feathers and hair. Warbler of Many Forms. Its breeding habitat is a variety of coniferous and mixed woodland. Yellow-rumped (Myrtle) Warbler: Breeds in coniferous forests from northern Alaska, northern Manitoba, central Quebec, and Newfoundland south and west to northern Minnesota and east to Michigan, New York, Massachusetts, and Maine. It is especially fond of waxed berries such as those of the wax myrtle. These birds are insectivorous , but will readily take wax-myrtle berries in … Male and female alike, although adult male shows most orange in crown. Orange crown often concealed. The Yellow-rumped Warbler breeds from eastern North America west to the Pacific, and southward from there into Western Mexico. Myrtle warblers nest in a tree, laying 4–5 eggs in a cup nest. Habitat: During the nonbreeding season, this warbler is found in almost any habitat and expands its diet to include a substantial amount of fruit. Diet: Insects and some fruit. "Goldman's" Yellow-rumped Warbler is a non-migratory endemic within the highlands of Guatemala and the Black-fronted Warbler is also a non-migratory Mexican endemic. In summer it feeds on insects, but in winter it feeds on berries and fruit. Habitat: Open coniferous forests or mixed woodlands, forest edges, clearings, spruce bogs, thickets. HABITAT: Yellow-Rumped Warbler breeds in open coniferous and mixed woodlands. Where the throat of the Myrtle Warbler is white, the Audubon’s is golden yellow. 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