FAMILY PICIDAE 529 



15. A broad longitudinal white stripe on outer wing coverts; a broad blotch of 



black across lower foreneck and upper breast. 



Yellow-bellied sapsucker, Sphyrapicus varius varius, p. 566 



Outer wing coverts without broad white stripe (in some plain, in others 



narrowly barred with white) ; upper breast and foreneck not plain 



black 16 



16. Rump and upper tail coverts black; abdomen brown or brownish white 



like breast Hairy woodpecker, Dendrocopos villosus extimus, p. 573 



Rump and upper tail coverts white ; abdomen not like breast 17 



17. Chin and throat black; abdomen white; back and rump black. 



Acorn woodpecker, Melanerpes formicivorus striatipectus, p. 550 



Chin and throat not black; abdomen red centrally, barred or streaked 



laterally with black and white 18 



18. Nape yellow ; a broad white streak down center of back. 



Golden-naped woodpecker, Centurus chrysauchen, p. 563 

 Nape red ; back banded with white 19 



19. Sides and flanks heavily barred with black; forehead yellow; side of head 



black Black-cheeked woodpecker, Centurus pacherani pucherani, p. 561 



Sides plain, flanks lightly barred with black ; forehead white, in some tinged 

 with red ; side of head grayish white. 



Wagler's woodpecker, Centurus rubricapillus, p. 553 



PICUMNUS OLIVACEUS Lafresnaye: Olivaceous Piculet, 

 Telegrafista 



Figure 69 



Picumnus olivaceus Lafresnaye, Rev. Zool., vol. 8, January 1845, p. 7. (Bogota, 

 Colombia.) 



Smallest of the family, of seed-eater size; a woodpecker in habit, 

 but without stiffened tail feathers so that it climbs and perches by- 

 use of feet alone. 



Description. — Length 85-95 mm. Male, crown and upper hind- 

 neck black, with short, narrow streaks of orange in center of pileum, 

 and dots of white on posterior area; otherwise dull yellowish olive 

 above, except for the upper tail coverts which are buffy yellow ; 

 wing coverts somewhat darker than back, edged narrowly with dull 

 buff ; primaries and secondaries grayish brown, edged with yellowish 

 olive, except near the tips of the inner secondaries, where the bor- 

 dering line is more definitely buff ; middle rectrices buffy yellow, with 

 the outer web black or partly black ; rest of tail feathers black, bor- 

 dered narrowly with pale buffy yellow; side of head and chin with 

 small feathers pale buffy white to buffy yellow, edged narrowly with 

 black; breast and foreneck light buffy olive, becoming paler on the 

 throat ; rest of under parts buffy yellow, streaked rather indefinitely 

 with dull olive, under wing coverts light buffy yellow, the outer ones 

 mixed with dull grayish brown. 



