![]() ![]() One in southern Union on was completely out of season. May be very common in migration in spring and fall across the region. In winter, common in the southeastern half, and fairly common in the northwestern portion, but can be scarce in the foothills by midwinter. Winter resident, with noticeable migratory movements. The 9+ known reports - at least since 1980 - of "Audubon's Warbler" are: one seen at Sanderling ( Dare) on one seen at Alligator River NWR ( Dare) on a male in breeding plumage at Merchants Millpond SP ( Gates) on * - reviewed and accepted by the NC BRC a female seen at the Frisco ( Dare) airstrip on one among hordes of "Myrtle" Warblers on the Cape Hatteras ( Dare) CBC on one at Lake Mattamuskeet ( Hyde) on a "female with a very obvious, bright yellow throat" was seen in Edgecombe on a male in partial breeding plumage - "yellow throat above black breast more black on head than other Yellow-rumps in flock bright yellow rump" seen at Wilmington ( New Hanover) on and one photographed at the south side of Oregon Inlet on Pea Island NWR ( Dare) from 21 Nov. Mainly late Sep to early May a few Jun, Jul, and Aug records. Smaller numbers westward, but common over the remainder of the province, and at times very common in migration. ![]() Along the coast and in Tidewater near sounds, abundant in winter, particularly on the Outer Banks. Two have been reviewed and accepted by the NC BRC, one with photos. There are over a dozen records of "Audubon's Warblers" in the state, though no records have yet been reported from the mountains. It often joins chickadees and titmice in mixed species flocks. In winter, it favors waxmyrtle thickets, shrubby edges of marshes (with cedar or waxmyrtle), pocosins, swamps, bottomlands, and many other wooded or shrubby areas. Amazingly, despite "global warming", the species has moved south in the Appalachians as a breeder (since 1985), and a few pairs now nest at several sites in the spruce-fir zone, favoring edges and stunted spruce or fir areas rather than forest interiors. Farther inland, it winters in smaller numbers the farther west one goes, and is scarce in midwinter in the mountains. Though numbers along the coast have markedly declined in recent decades (despite little change in habitat), it remains a common to abundant winter bird, often the most common passerine seen on a coastal CBC. The species winters in large numbers in the southern half of the United States, and is (by far) the most numerous warbler wintering in North Carolina. The Western half of the species is the "Audubon's Warbler" subspecies (formerly a full species and arguably should be re-split), and the subspecies in the East is the "Myrtle Warbler". The Yellow-rumped Warbler, often called the "Butter-butt", is arguably the most abundant warbler on the continent. Yellow-rumped Warbler - Setophaga coronata ![]()
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