408. =Lewis's woodpecker.= MELANERPES TORQUATUS. Common resident; characteristic bird of the foothills; sometimes seen as high as 10,000 feet in southern Colorado; probably does not breed above 9,000 feet. 409. =Red-bellied woodpecker.= MELANERPES CAROLINUS. Summer visitor; rare, if not accidental; eastern and southern species, not occurring regularly west of central Kansas. 412a. =Northern flicker.= COLAPTES AURATUS LUTEUS. Rare migrant; range extends only to foothills; no record of its breeding. 413. =Red-shafted flicker.= COLAPTES CAFER. Abundant summer resident; breeds from plains to 12,000 feet; almost as plentiful at its highest range as on the plains; early spring arrival; a few winter in the State. 418. =Poor-will.= PHALÆNOPTILUS NUTTALLII. Common summer resident; breeds from plains to 8,000 feet; has been noted up to 10,000 feet. 418a. =Frosted poor-will.= PHALÆNOPTILUS NUTTALLII NITIDUS. Rare summer resident; few typical _nitidus_ taken; a more southern variety. 420a. =Western nighthawk.= CHORDEILES VIRGINIANUS HENRYI. Abundant summer resident; breeds on the plains and up to about 11,000 feet; in fall ranges up to 12,000 feet; most common on plains and in foothills. 422. =Black swift.= CYPSELOIDES NIGER BOREALIS. Summer resident; abundant locally; southwestern part of the State; breeds from 10,000 to 12,000 feet, and ranges up to 13,000 feet. 425. =White-throated swift.= AERONAUTES MELANOLEUCUS. Summer resident; not uncommon locally; breeds in inaccessible rocks from 6,000 to 12,000 feet, if not higher; most common in southern part of the State. 429. =Black-chinned humming-bird.= TROCHILUS ALEXANDRI. Summer resident; local; only in southwestern part of the State, and below 6,000 feet. 432. =Broad-tailed humming-bird.= SELASPHORUS PLATYCERCUS. Common summer resident; Colorado's most common hummer; breeds from foothills to 11,000 feet; ranges 2,000 feet above timber-line in summer. 433. =Rufous humming-bird.= SELASPHORUS RUFUS. Summer resident; local; a western species, coming into southwestern Colorado, where it breeds from 7,000 to 10,000 feet, and ranges in summer several thousand feet higher; a few records east of the range. 436. =Calliope humming-bird.= STELLULA CALLIOPE. Summer visitor; rare or accidental; but two records, one near Breckenridge at an altitude of 9,500 feet; western species. 443. =Scissor-tailed flycatcher.= MILVULUS FORFICATUS. Summer visitor; rare or accidental; but one record; southern range, and more eastern. 444. =Kingbird.= TYRANNUS TYRANNUS. Common summer resident; occurs only on plains and in foothills up to 6,000 feet; same form as the eastern kingbird. 447. =Arkansas kingbird.= TYRANNUS VERTICALIS. Common summer resident; more common in eastern than western part of the State; fond of the plains and foothills, yet breeds as high as 8,000 feet.