AUDUBON'’S WARBLER. 207 
ally be discovered within easy access. All the nests were built about four feet from the 
ground and were rather neat structures, composed externally of hemlock twigs and 
lined with a few feathers. The eggs, four to five in number, are of a creamy-white 
ground-color, speckled and spotted, and sometimes blotched, generally in a wreath-like 
manner around the larger end, with reddish-brown and purple.— This Warbler has also 
been known to nest in Jamaica. 
NAMES: MyrtLe WarsLer, Myrtle Bird, Vellow-rumped Warbler, Yellow-rump, Yellow-rumped Wood 
Warbler. 
SCIENTIFIC NAMES: Motacilla coronata Linn. (1766). Sylvia coronata Lath. (1790). ‘Sylvicola coro- 
nata S. & R. (1831). DENDROICA CORONATA Gray (1842). 
DESCRIPTION: Old male: Above, slaty-blue, streaked with black; under-parts, white; breast and sides, 
heavily streaked with biack; throat, pure white; eyelids and superciliary line, white. Wing with two 
white cross-bars; tail with large white spots. Crown, rump, and sides of breast, bright yellow. 
Female: Slaty color almost ent’rely replaced by plain dull brown; streaks on under-parts few, or not 
so pure black. Rump always yellow; traces of yellow on crown and sides of breast. 
Length, 5.50 to 5.75 inches; wing, 3.00; tail, 2.50 inches. 
AUDUBON’S WARBLER. 
Dendroica auduboni Bairp. 
AUDUBON’s WARBLER is very similar to the species just described, being equally 
common and no less conspicuous among the small insectivorous birds which throng the 
forests and thickets of the entire West. It almost entirely replaces the Myrtle Warbler 
in this region, and in fact forms its exact western representative. According to Dr. 
Elliott Coues, Audubon’s Warbler, one case excepted, has never been known to come 
eastward beyond the line of arboreal vegetation which marks the easternmost foot-hills 
and outlying elevations of the Rocky Mountains. As soon as we fairly enter the 
wooded tracts, as distinguished from those slight fringes of trees that straggle along 
the water-courses, we are pretty sure to find Audubon’s Warbler, and we may find it 
anywhere, so we be in the woods at the right season, thence to the Pacific. The bird 
is known to occur in British Columbia and on the head-waters of the Saskatchewan. 
It is not a less hardy bird than its eastern congener. During the winter it may be 
found southward to Central America. In Colorado it breeds from an altitude of 9,000 
or 9,500 feet up to the timber line, preferring for its haunts the dense spruce forest of the 
mountain-sides. A nest found by Mr. Henshaw in southern Colorado, June 1, in the top 
of aspruce, some thirty feet high, was composed of bark-strips, firmly and neatly woven, 
with a lining of fine grasses. The same naturalist ascertained that they also breed in 
the White Mountains of Arizona. In a private letter to the author, Capt. Charles 
Bendire, now of the Smithsonian Institution, says that he found Audubon’s Warbler to 
be a summer resident at Fort Klamath, Oregon. There, as elsewhere, they built their 
nests in pine and spruce trees. A pair nested in aclump of pines on the parade grounds 
of the fort. The eggs, usually four to five in number, show a greenish-white ground- 
color, and are marked, chiefly about the larger end, with dark brown spots. 
In coloration this Warbler is very similar to the Myrtle Bird, but it may at once 
be recognized by its yellow throat. 
