In fall, the Yellow-rumped usually migrates later than other warblers, appearing on wintering grounds around the same time as other winter residents such as the White-throated Sparrow, Golden-crowned Kinglet, and Brown Creeper. strong contrast between the greater coverts and more brownish flight feathers. Additionally, AHY males are the only age/sex class in fall to sometimes have traces of black in the lores or auricular. McGill Bird Observatory (QC), May 2008. Distinctions between SY and ASY females can be subtle, and usually a good look at the wing and tail is required to determine age, ASY Yellow-rumped Warblers tend to have relatively broad, rounded, and fresh rectrices compared to SY individuals. Head gray with yellow crown, white crescent under eyes, white supercilium, black lores and cheeks. McGill Bird Observatory (QC), September 2009, A somewhat paler tail, with a bit more brown edging on the uppertail coverts, but note The ventral part of the bird, or the area between the flanks on each side and the crissum and breast. as well as on the back and wings, and distinct yellow patches on the breast and crown. amount of white on r5 and r6, and a bit extending to r4; the uppertail coverts are mostly The primary coverts tend to be relatively broad and rounded, and usually have silvery gray edging. In some cases the facial mask is not as black as on ASY males, and often SY males can be easily recognized by the presence of brown feathers contrasting with the otherwise blue-gray back. McGill Bird Observatory (QC), September 2008, RETURN TO AGE/SEX Photo by Marcel Gahbauer, In addition to having bright yellow in their plumages, males in bright breeding plumage can show orange, blue, grays, and handsome patterns of black and white. coverts that are almost entirely black, with a bit of gray-blue edging. Males sing a slow, soft, sweetly whistled warble or trill. female. Grouse? McGill Bird Observatory (QC), May 2010, A more typical SY female Myrtle Warbler wing. The primary coverts are generally brownish with minimal beige edging. McGill Bird Observatory (QC), October 2010. Head gray with yellow crown, white crescent under eyes, white supercilium, black lores and cheeks. the breast, a dark gray to blackish facial mask, and a mottled brown-gray back. AHY males have broad and rounded rectrices with on average more extensive white patches than other age/sex classes, always including large patches on r4-r6, and often with some white on r3 as well. Photo by Marcel Gahbauer, Note the strong contrast between the inner A typical SY male Myrtle Warbler tail, with relatively narrow rectrices compared to ASY ASY The wood-warblers are known for their colorful plumages – the Blackburnian Warbler being one of the most striking members of this family with its deep orange-red throat that contrasts with its handsome black and white plumage. Male Myrtle Warblers are readily recognized by having a black mask, and distinct yellow patches on the side of the breast contrasting with adjacent black feathers. McGill Bird Observatory (QC), September 2008. Spends winters from the southern part of its breeding range southward into the tropics. However, there is enough variability in various age/sex classes that the wing and tail (and skull if possible) usually need to be viewed to be confident with ageing and sexing. pageTracker._trackPageview(); The best bird guide and bird watching search engine to identify In the fall, large waves of migrants leave the Cascades and more northerly habitats and arrive in the eastern Washington lowlands. Photo by Marcel Gahbauer, RETURN TO AGE/SEX Included in this species are two different-looking forms, the eastern "Myrtle" Warbler and western "Audubon's" Warbler. SY female Yellow-rumped Warblers have a wing pattern similar to that of SY males, but a bit browner. uppertail coverts have a narrower black centre, and more brown along the edges. McGill Bird Observatory (QC), September 2005, Another HY female Myrtle Warbler, this one with a hint of yellow on the breast. SY Yellow-rumped Warblers tend to have somewhat narrower and more pointed rectrices than ASY individuals. basic greater coverts uppertail Note, however, that this pattern can appear quite similar to Photo by Marie-Anne Hudson, scJsHost+ Photo by Marcel Gahbauer, Upperparts bluish gray, often tinged brownish; blackish auricular; white throat; black uppertail coverts with mostly blue edging; often three generations of feathers among the greater and primary coverts. New World Warblers(Order: Passeriformes, Family:Parulidae). male.

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