BIRDS OF NORTH AND MIDDLE AMERICA 



399 



or nearly square; deep black, narrowly tipped with white, white at 

 the extreme base, and crossed at about the middle by a broad, con- 

 tinuous zone of the same, of variable width (30-80 mm.); upper tail 

 coverts and under wing coverts more widely tipped with the same; 

 terminal half of the bill plumbeous-black, the basal half, the cere, 

 and the rictus waxy bright yellow or orange; iris brown; tarsi and toes 

 yellow; claws plumbeous-black; iris dark brown, 



Juvenal (sexes alike). — Above brownish black, varying from dark 

 hair brown to dark sepia and deep fuscous, generally darker on the 



Figure 26. — Buteogallus anthracinus, 



head and nape; the top of head and nape with broad buffy white 

 streaks and spots (actually the dark fuscous marks are restricted to 

 elongated terminal tear-shaped shaft streaks) ; the scapulars and upper 

 wing coverts like the back, but irregularly variegated with pale ochra- 

 ceous-tawny and tawny-buff, many of the feathers tipped with 

 ochraceous-tawny; remiges like the back but somewhat indistinctly 

 barred with dark fuscous or fuscous blackish; the secondaries with a 

 pale ochraceous-tawny wash on the inner margin of the inner webs; 

 upper tail coverts like the back but broadly mottled with white or 

 pale tawny whitish; rectrices white to light pinkish cinnamon becom- 

 ing more intensely colored on the outer feathers, and crossed by 5 to 7 



