FAMILY FRINGILLIDAE 



611 



what decorated with moss. The eggs from the nest are pale blue with 

 faint lilac dots occurring mostly on the large ends. They measure 22.06 

 X 16.33 and 23.12X 16.81 mm. 



ZONOTRICHIA CAPENSIS COSTARICENSIS Allen: Rufous-collared 

 Sparrow, Gordon de Collar Rojizo 



Figure 48 



Zonotrichia capensis costaricensis J. A. Allen, 1891, Bull. Amer. Mus. Nat. Hist., 



3, p. 374. (San Jose, Costa Rica.) 

 Zonotrichia capensis orestera Wetmore, 1951, Smiths. Misc. Coll., 117 (2), p. 9. 



(Southwest face of Cerro Campana, 2,000 ft., Panama, Panama.) 



Small; crown streaked gray and black; hindneck to side of breast 

 reddish brown; rest of upper surface streaked brown and blackish; 

 undersurface mostly whitish with black patch on side of breast. 



Description. — Length 118-134 mm. Adult (sexes alike), broad cen- 

 tral crown stripe, superciliary stripe, auricular area, extending forward 

 to gape, gray; broad lateral crown stripes and narrower stripes around 

 auricular area black; hindneck and sides of neck rufous, forming a 

 collar; rest of upper surface buffy brown, with feathers of upper back 

 blackish brown in center, producing streaked effect; middle coverts 

 blackish brown tipped white; greater coverts blackish brown, edged 

 tawny and tipped white; remiges blackish brown, edged, tawny; tertials 

 broadly edged tawny; rectrices blackish brown; throat white; sides of 

 upper breast black, connected by black spots; sides of lower breast 

 hazel, continuing from side of neck; sides and flanks buffy brown; rest 

 of undersurface white, sometimes tinged with buff; underwing coverts 

 white. 



Juvenile, gray and black absent from head, replaced with stripes of 

 blackish brown and buffy brown; rufous stripe of neck absent; rest of 

 upper surface like adult, but slightly more reddish brown; white spots 

 of wing buffy; throat white; breast, sides, and flanks buff, streaked 

 with blackish brown; rest of undersurface white, tinged buff. 



A male collected at El Volcan, Chiriqui, on February 28, 1965, had 

 the iris light reddish brown; maxilla and extreme tip of mandible dull 

 slaty black; rest of mandible dull greenish gray; tarsus light brown; 

 toes darker brown; claws mouse brown. A female taken that day was 

 the same. 



Measurements. — Males (10 from Chiriqui), wing 61.8-65.5 (63.8), 

 tail 52.2-56.5 (54.7), oilmen from base 12.6-14.0 (13.1), tarsus 19.3- 

 21.8 (20.7) mm. 



