622 
BIRDS OF NEW MEXICO 
In the fall migration, an adult was seen at Sierra Grande, August 18, 1903, and 
several young seen August 16, near its base (Howell); it was found rather rare near 
Willis, 7,800 feet, August 26-September 6, 1883 (Henshaw); one was seen at Albu¬ 
querque, October 7, 1889 (Birtwell); it was noted in the Douglas spruce of the higher 
San Mateo Mountains, August 13, 1905; Penasco, in the Sacramento Mountains 
September 6, 1902 (Hollister); and the Guadalupe Mountains, just south of the 
New Mexico line, August 21, 1901 (Bailey).—W. W. Cooke. 
[In the spring, one was taken on April 20, 1919, at the G. O. S. Ranch (Kellogg) 1. 
Nest. —(Three found) in pine, spruce and fir 50 and 60 feet from the ground; 
(one described) made compactly of vegetable fibers, strings, horsehair, oak catkins 
and bud scales, wool, down, and insect webbing; well lined with feathers and horse¬ 
hair, and decorated or camouflaged with a small cone. Eggs: 3 or 4, white, lightly 
spotted with reddish brown. 
General Habits. —The handsome gray and yellow Grace Warblers 
are mainly birds of the pine woods. In the scattered yellow pines of 
Mesa Yegua we were delighted to find them working and singing loudly 
from the tips of the branches. Their song consisted of one rapidly 
repeated note. 
At Lake Burford, where Doctor Wetmore found them in the tops 
of the yellow pines and occasionally in the oak undergrowth, at times 
coming down almost to the ground, their flight was “ undulating and 
rather quick and jerky.” The call note, he found to be a very faint 
tsip that carried only a few feet (1920a, p. 409). In the Huachuca 
Mountains, during the spring migration, Mr. Swarth found them 
associated with other Warblers, notably the Townsend, when they 
were distinctively flycatching, “ constantly flying out from the trees to 
a considerable distance after insects” (1904, p. 55). 
Additional Literature.—Averill, C. Iv., Condor, XXIV, 57-60, 1922 (law 
for nest height).— Howard, O. W., Bull. Cooper Orn. Club (= Condor, vol. 1), 39, 
1899.— Ladd, S. B., Auk, VIII, 314, 1891 (nest and eggs). 
BLACK-THROATED GRAY WARBLER: Dendroica nigrescens (J. K. Townsend) 
Description. — Male: Length (skins) 4.1-4.6 inches, wing 2.3-2.6, tail 1.9-2.2, 
bill .3-.4, tarsus .7-.8. Female: Length (skins) 4.2-4.8 inches, wing 2.1-2.4, tail 
1.8-2, bill .3-.4, tarsus .7-.8. Adult male in spring and summer: Head , throat , and 
chest black except for white streaks on side of head , and bright yellow spot in front of 
eye; back , scapulars, and rump dark gray, more or less streaked with black, tail with 
two outer feathers largely white on inner webs; wings with two white bars; breast 
and belly white , sides streaked with black. Adult male in fall and winter: Similar to 
summer male but gray of upperparts and cheeks margined with brownish gray, 
black markings concealed, and sides washed with brown. Adult female in spring 
and summer: Sometimes not distinguishable from summer male, but, as a rule, with 
less black on the head, back browner and less heavily streaked, wings and tail 
browner and with less white, throat and upper breast mottled with black and white 
(Chapman). Adult female in fall and winter: Like summer female but upperparts 
and cheeks washed with grayish brown, black of throat margined with white, sides 
tinged with brown, the black markings obscured. Young injuvenal plumage: Above 
