348 MANUAL OF PHILIPPINE P.IRDS. 



;mt. CAPRIMULGUS MACRURUS Hoisfuld. 



HORSFIELD'S NIGHTJAR. 



CaprimuJpus niacrurus Horsfikld, Trans. Linn. Soc. (1821), 13, pt. 1, 

 142; Hartert, Cat. Birds Brit. Mus. (1892), 16, 537; Sharpe, Hand- 

 List (1900), 2, 87; McGregor and Worcester, Hand-List (1000). 57; 

 Gates and Reid, Cat. Birds' Eggs ( 1903). 3, 68, pi. 1, fig. 8. 



Calamianes {Bourns d- Worcester. McGregor) ; Palawan {Whiteheii(J, Steere 

 Exp., Bourns <f Worcester, Celestino) ; Papuan Islands, northeastern Australia. 

 Greater Sunda Islands, Java. 



Male. — Forehead, crown, and nape gra3'ish t)ro\vn, finely verniiculated 

 witli buff and brown, producing a nearly silvery a})pearance; down the 

 center of head to nape the feathers conspicuously marked with blackish 

 brown; an indistinct fulvous band across hind-neck connecting with a 

 bright fulvous patch on each side behind ear-coverts; back and rump 

 mottled with dark brown and a little fulvous; a large white patch on 

 throat, the longer feathers tipped with black, subtenninally marked with 

 fulvous; sides of face, ear-coverts, chin, and a small area posterior of 

 white patch rich rufous with fine irregular black lines; lower throat 

 rufous, mottled with black; breast finely marked with blackish brown 

 and pale fulvous, a few feathers with large patches of fulvous; abdomen, 

 fianks, and under tail-coverts barred with brown; wing-coverts blackish, 

 each with a light fulvous terminal spot; scapulars with black terminal 

 spots and narrow fulvous subterminal bars; white spot on first primary 

 moderate and not reaching shaft; on second, third, and fourth the white 

 crosses both webs; secondaries notched with dark rufous; tail-feathers 

 blackish brown, outer webs notched with fulvous ; two outer pairs each 

 with a large white terminal area about 38 mm. long, involving both webs. 

 A male from Puerto Princesa, Palawan, measures : Length, 265 ; wing, 

 180; tail, 140; tarsus, K! ; middle toe with claw, 24. 



"Female. — Differs from the adult male in having the outer web of first 

 jtrimary spotted with rufous, in having pale rufous marks on the pri- 

 maries instead of white ones, in the white tips to the outer rectrices being 

 less in extent and tinged with buff or rufous, speckled with l)rown on the 

 tip of outer web. 



"Young. — The markings are less developed in younger individuals; 

 the young male has the white patches on the primaries and rectrices 

 tinged with rufous and less in extent. The nestling is covered with 

 buffy down." (Haiiert.) 



"Iris dark brown, bill nearly black; legs and feet brown; nails black. 

 A male from Busuanga measures, 2()3 in length; wing, 184; tail, 135; 

 culmen, 13 ; middle toe with claw, 22. A female from Palawan, length, 

 250; wing, 222; tail, 135; culmen, 13; tarsus, 14; middle toe with claw, 

 22." (Bourns and Worcester MS.) 



