#Yellow rumped warbler scientific name Patch#
Of course, it’s the creamy yellow rump patch - looking like a small pat of butter - that gives this species its common name. Otherwise, the two birds are remarkably similar in appearance. In addition to yellow plumage on the rear and flanks, the Audubon’s warbler also boasts a yellow crown and a yellow throat patch.
This western counterpart is more colorful than the version birders know so well in the eastern half of the country. During a visit to Salt Lake City, Utah, in 2003, I saw my first and only “Audubon’s” warbler. Until 1973, the yellow-rumped warbler was divided by scientists into two distinct species: the myrtle warbler in the eastern United States and Audubon’s warbler in the western United States. At least the yellow-rumped warbler is common and I encounter flocks of these birds on most occasions when I walk woodland trails in the region any time from November to April. With the exception of the yellow-rumped warbler, however, the chances of enjoying warblers during the winter are rather slim. For instance, I’ve seen a few common yellowthroats during the winter over the years. A few other warblers are occasional stragglers, attempting to eke out a living during the cold months. The yellow-rumped warbler is by far the most common winter warbler, but palm warblers and pine warblers are also occasional winter residents. In northeast Tennessee, southwestern Virginia and western North Carolina, there are only three warblers that bird enthusiasts are likely to see in the winter. I really feel the pinch since warblers are one of my favorite families of birds. Hummingbirds, tanagers, vireos and most warblers, despite a few lingering individuals, have left the scene. Many of the favorite birds that spend the summer months with us have departed and will not return until spring. November and December are bleak months for birders as we experience a bit of a letdown after the joys of fall migration. This species is particularly fond of poison ivy berries. Switching from a diet of insects to one of fruit and seeds helps the birds manage to find enough to eat during the lean months.
The yellow-rumped warbler is one of the few warblers that attempts to reside in the region during the winter months.
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