BIRDS OF NORTEC AND MIDDLE AMERICA 151 



coverts varying from pure white to white more or less barred or 

 vermiculated with mouse gray; under wing coverts white (usually a 

 clearer, cleaner white than on the underparts generally) barred with 

 grayish fuscous; bill bluish black; cere yellow^; feet yellow, claws 

 bluish black; iris red. 



Adult female. — Similar to the male but larger, and, on the average, 

 very slightly browner above and more coarsely vermiculated below, 

 but the extremes of coloration in the two sexes are the same. 



Immature male (second winter plumage). — Similar to that of adult 

 but with the ventral markings averaging coarser and heavier, the 

 pectoral feathers with broad fuscous-gray shaft streaks and some 

 fairly wide brownish gray bars. 



Immature female. — Similar to male, but larger. 



Juvenal male (including first winter and following summer plum- 

 age). — Forehead and crown feathers with broad black shaft stripes, 

 widely margined with from bright tawny to drab, the margins becom- 

 ing paler, even to pure white, on the occiput and nape ; interscapulars 

 like the crown, but the tawny or drab areas much broader; scapulars, 

 upper wing coverts, back, rump, and upper tail coverts dark grayish 

 hair brown to fuscous edged with from pale tawny to drab to whitish 

 and each feather with a concealed median area of the same color as 

 the edges; remiges fuscous to pale fuscous, tipped with white, above 

 banded with darker fuscous, below banded w4th white; rectrices 

 grayish hau- brown, tipped with white and crossed above by four to 

 six broad fuscous bars, the bars narrower than the paler mterspaces 

 and narrowly edged with grayish; below whitish barred broadly with 

 fuscous; lores, cheeks, and auriculars dirty white to pale cinnamon- 

 buff, the feathers with fuscous or fuscous-black shaft stripes, giving 

 the area a heavily streaked appearance; entu-e underparts white or 

 dirty white more or less (sometunes not at all) suffused with pale 

 cinnamon-buff on the chin, throat, breast, sides, and upper abdomen, 

 the individual feathers w^ith very broad shaft stripes varying from 

 very dark hair brown to fuscous, the stripes becoming terminally 

 markedly spatulated on the lower breast, abdomen, sides, flanks, 

 and under tail coverts; the thighs and lower abdomen sometimes 

 broadly barred due to the widening of the pear-shaped shaft streaks; 

 bill, cere, and feet as in adults; iris pale yellow. 



Juvenal female. — Similar to male, but larger. 



Natal down. — None seen; said to be, "... at first w^hite with some 

 grayish tinge on back, aod on front face; later more gray above" 

 (Forbush) . 



