222 
GOATSUCKERS 
414. Colaptes chrysoides (Malh.). Gilded Flicker. 
In general similar to collaris, but back of neck without red, and under 
side of wings and tail yellow ; adult female with only occasional traces of 
malar stripe, and young without malar stripe. 
Remarks. — The combination of red mustache and yellow of under 
wings and tail distinguish this species. 
Distribution. — Breeds in Lower Sonoran zone from Arizona south to 
southern Sonora, and Lower California south of latitude 30°. 
Nest. — 6 to 40 feet from the ground in giant cactus or cottonwoods. 
Eggs : 2 to 5, white. 
Food. — To a large extent fruit of the giant cactus and insects found on 
its flowers. 
The gilded flicker is largely a bird of the giant cactus belt, and 
feeds to some extent upon the sweet fruit of the cactus. 
ORDER MACROCHIRES : GOATSUCKERS, 
SWIFTS, AND HUMMINGBIRDS. 
(Families Caprimulgid;e, Micropodid;E, and Trochi- 
LIDA5.) 
FAMILY CAPRIMULGIDiE: GOATSUCKERS. 
KEY TO GENERA. 
1. Gape without conspicuous bristles, tail emarginate. 
Chordeiles, p. 226. 
T. Gape with conspicuous bristles, tail even or rounded. 
2. Tarsus feathered in front almost to toes Antrostomus, p. 222. 
2'. Tarsus entirely naked in front. 
3. Tail even. Phalaenoptilus, p. 224. 
3'. Tail much rounded . Nyctidromus, p. 225. 
GENUS ANTROSTOMUS. 
General Characters. — Bill short, gape wide ; nostrils oval with raised 
rim not prolonged into a tube, opening upward and outward ; feet small, 
hind toe short, front toes connected by webbing, middle toe much longer 
than side toes, its claw pectinated (see Fig. 290); tarsus not longer than 
middle toe without claw, feathered in front nearly to toes; wing folding to 
or beyond rounded tail; plumage lax, primaries weak. 
KEY TO ADULT MALES. 
1. Bristles of gape with lateral filaments . . . carolinensis, p. 222. 
1'. Bristles of gape without lateral filaments. 
2. Throat bar chiefly or wholly white.vociferus, p. 223. 
2'. Throat bar chiefly or wholly yellowish macromystax, p. 223. 
416. Antrostomus carolinensis (Gmel.). Chuck-will’s-widow. 
Adult male. — General color dark brown or blackish brown, mottled, 
barred, and spotted with tawny and blackish, reddish brown on wings and 
