2l8 BIRDS OF THE REPUBLIC OF PANAMA — PART 2 



rufescent color, apparently an indication of slight differences in grayer 

 and browner phases. These however, are not clearly evident. 



To the south the race minimus ranges across northern Colombia. 



CAPRIMULGUS VOCIFERUS VOCIFERUS Wilson: 

 Whip-poor-will, Dormilon de Paso 



Caprimulgus vocifcrus vociferus Wilson, Amer. Orn., vol. 5, 1812, p. 71, pi. 41, 

 figs. 1-3. (Philadelphia, Pennsylvania.) 



Similar in size to Caprimulgus saturatus but grayer, with a light 

 band across the foreneck. 



Description. — Length 225-250 mm. Male, above mixed grayish 

 brown and brownish gray, finely vermiculated with dusky; crown 

 with a broad central streak and very narrow lateral ones of black; 

 scapulars blotched with black, margined with buff; back and rump 

 narrowly streaked with black ; wing coverts brown to grayish brown, 

 spotted with buff and marked finely with dusky ; primaries and primary 

 coverts dull black; primaries spotted on outer webs and barred on 

 inner webs with dark buff or clay color ; secondaries mottled with 

 gray and buff; central tail feathers mottled gray, barred irregularly 

 with black ; outer rectrices brownish black, mottled and barred some- 

 what with buff, 3 outer pairs tipped broadly with white; throat 

 brownish black, barred with tawny and buff; foreneck with a band 

 of white varied to buff ; breast brownish black, mottled with gray and 

 buff ; abdomen paler, with narrow, irregular bars of black ; under tail 

 coverts buff barred narrowly with black ; under wing coverts cinna- 

 mon-buff, barred with dusky. 



Female, similar but browner, with narrower tail tips of buff. 



Measurements. — (From Ridgway, loc. cit., pp. 516-517). Males, 

 wing 149-168.5 (152.4) ; tail 113.5-128 (123), tarsus 15.5-18 (16.5) 

 mm. 



Females, wing 147-163 (155.3), tail 105-123.5 (116), tarsus 16-18 

 (16.6) mm. 



Migrant from the north. One record for Volcan Baru, at 2,000 

 meters, above Cerro Punta, Chiriqui. 



On March 8, 1955, in a forested area with low undergrowth much 

 mixed with bamboo 1 flushed from the ground. It was shy, but made 

 only short flights as we stalked it, until finally it alighted on a mass 

 of creepers 2 meters above the ground where it was seen and shot. 



This eastern race of the species nests from central Saskatchewan, 

 southern Quebec, and Nova Scotia south, east of the Great Plains, to 

 northeastern Texas, northern Mississippi, and eastern Virginia. In 



