TYRANNINE ANTBIRD 



ii. Cercomacra tyrannina rufiventris 



(Lawrence) 

 Tyrannine Antbird 



Cercomacra tyrannina tyrannina RIDGWAY, Birds of N. 

 and M. Amer., V, p. 93, 1911; STONE, Proc. Phila. Acad. 

 Nat. Sci., 1918, p. 261. 



Length about 132 mm. (5.20 in.); tail about 

 55 mm. (2.20 in.). 



Male. Blackish slate color above and below; 

 the wing coverts narrowly tipped with white and 

 a white spot on the lesser wing coverts; tail 

 excepting middle pair of feathers usually tipped 

 with white. 



Female. Grayish olive above; orange tawny 

 below, including sides of head. 



Tail graduated. 



Found in the thickets and brush more than in 

 the heavier jungle. Seen near Panama, and 

 on Barro Colorado Island. 



12. Cercomacra nigricans Sclater 

 Black Tyrannine Antbird 



Length 143 mm. (5.65 in.); tail 64 mm. (2.50 

 in.). 



Male. Plumage uniform black with small 

 spot and two narrow bands of white on wing 

 coverts; tail, with exception of middle pair of 

 feathers, tipped with white. 

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