THE DIURNAL BIRDS OF PREY 



of the tail, which communicate an almost unique appearance. When adult, the 

 bird will somewhat exceed four feet in height, while the length of the tail is just 

 under two feet. The prevailing hue of the plumage is a delicate pearly gray, with 

 the quills and primary coverts black, and the crest feathers either gray tipped with 



SECRETARY VUI/ttJRE. 

 (One-eighth natural size.) 



black, or wholly black. The upper tail coverts are white, and of the tail feathers 

 the long middle pair have white tips preceded toy a broad black band, but are 

 elsewhere pure gray, while the others are darker gray, with white tips and two 

 blackish bars. On the under parts the breast and under wing coverts are white, 

 with a faint-ashy tinge; the thighs and abdomen black, and the under tail coverts 



