PANAMA ROUGH-WINGED SWALLOW 



white that color extending along the sides of the 

 glossy blue black crown, back and scapulars 

 sooty gray washed with blue black; rump cinna- 

 mon buff; sides of head, chin and throat fawn 

 color or dull cinnamon; chest grayish brown 

 fading to white on remaining under parts, a 

 blue black patch on base of throat. 

 Young. Duller in color. 



A rare migrant. The pale cinnamon buff 

 rump, contrasting with the dark back, is quite 

 conspicuous when seen flying low Enough to see 

 the upper parts. 



7. Stelgidopteryx ruficollis uropygialis 



(Lawrence) 

 Panama Rough-winged Swallow 



Sexes alike. Length 118 mm. (4.65 in.); 

 tail 49 mm. (1.95 in.). General color grayish 

 brown, sooty on head, shading to dull whitish on 

 rump; wings and tail sooty; under parts paler, 

 the chin and throat reddish buff; abdomen tinged 

 with straw color, the under tail coverts tipped 

 with black. 



Young. Similar to adults. 



Quite a common species in the Canal Zone, 

 recognizable by its grayish brown back and 

 whitish, but not pure white, rump. It prefers 

 the vicinity of water, and may often be seen 

 flying over the Lake. 



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