coverts; note also the contrast of the brownish primaries visible in this photo. Juvenile Myrtle Warblers have a relatively uniform dull gray-brown wing. McGill Bird Observatory (QC), October 2010, Another AHY male Myrtle Warbler, this one showing black uppertail coverts with Audubon's greater coverts and the very pale and worn tertials, as well as the three generations of McGill Bird Observatory (QC), October 2005, This AHY male has a somewhat browner appearance overall, but still has traces of coverts, and white patches on the three outermost rectrices. among examples. outermost greater covert being a retained juvenile feather, contrasting with both the var sc_invisible=0; All Myrtle Warblers have predominantly brownish upperparts in fall, but AHY males tend to have the greatest amount of blue-gray on the wings, back and sometimes even the crown. Upperparts largely brown with a bit of blue-gray; auricular grayish and indistinct; wing relatively dull, with greater coverts contrasting moderately with brownish flight feathers; rectrices sometimes narrowish; narrow dark centres to uppertail coverts with a mix of gray and brown edging. McGill Bird Observatory (QC), October 2005. McGill Bird Observatory (QC), September 2009, A somewhat paler tail, with a bit more brown edging on the uppertail coverts, but note A typical AHY wing; note the silvery edging on the dark primary coverts. The crown is the top part of the birds head. HY males often have some white extending to r4, but in some cases it is limited to r5 and r6. Audubon's Warblers are similar in appearance, the most noticeable and longer than the remaining formative greater coverts, which are in turn darker and pageTracker._trackPageview(); The best bird guide and bird watching search engine to identify outer rectrices not quite as broad and rounded. Banff National Park (AB), May 2007. The uppertail coverts have narrow to moderately wide black centres, with at least some brown edging. OVERVIEW. There is usually a distinct contrast between the blackish inner greater coverts and brown, relatively worn tertials. They are one of the last warblers to leave their breeding grounds in the fall, and one of the first to return in the spring. Yellow-rumped Warblers have two main calls. Photo by Marcel Gahbauer, McGill Bird Observatory (QC), May 2008. var sc_security="340ce72a"; HY females tend to have relatively narrow rectrices, though there are enough intermediates that shape alone is often not reliable except in particularly distinct cases. ASY 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. edging, occasionally with a hint of brown at the tip. Photo by Peter Pyle, San Francisco Bay Bird Observatory (CA), April 2006, The colours in this photo are a bit skewed by the direct sunlight, but again it is readily McGill Bird Observatory (QC), October 2010, A somewhat more pointed tail, with narrower black centres to the uppertail coverts. Photo by Marcel Gahbauer, Males of the western (Audubon's) and eastern (Myrtle) subspecies are quite distinct in appearance, but females differ more subtly. replaced during the prealternate molt, and there are therefore only two generations of Spends winters from the southern part of its breeding range southward into the tropics. of the outer rectrices, which is more suggestive of an ASY bird. Yellow-rumped (Myrtle) Warbler: Medium warbler, dark-streaked, blue-gray upperparts, yellow rump. The Bachman’s Warbler is an enigmatic species considered to be extinct by most authorities although slim hopes for its continued existence are kept alive by a few possible sightings over the last thirty years. McGill Bird Observatory (QC), May 2010, Another ASY female Myrtle Warbler, with a bit more white on r4. A little help here, please. ASY males have a generally bluish-gray wing, lacking brown. An ASY male Myrtle Warbler with blackish rectrices that are broad and rounded and have In the fall, large waves of migrants leave the Cascades and more northerly habitats and arrive in the eastern Washington lowlands. Due to this, population trends for the Yellow-rumped Warbler have a present evaluation level of Least Concern.