PANAMA ANTTHRUSH 



16. Formicarius analis panamensis Ridgway 

 Panama Antthrush 



Formicarius moniliger panamensis RIDGWAY, Birds of 

 N. and M. Amer., V, p. 124, 1911; STONE, Proc. Phila. 

 Acad. Nat. Sci., 1918, p. 261. 



Sexes alike. Length 158 mm. (6.20 in.) 

 tail 51 mm. (2.00 in.). Top of head black, the 



FIG. 44. Formicarius analis panamensis 



feathers tipped with brown; remainder of upper 

 parts brown ; hindneck and sides of neck extend- 

 ing towards throat, buffy cinnamon; cheeks, 

 chin and throat black; remainder of under parts 

 dark slate mixed with olive and buff. Bare 

 skin below and behind eye, pale bluish gray. 



Rather large with dense compact plumage, a 

 short bill, and a short rounded tail carried erect 

 when walking or when feeding. A bird of the 

 thick jungle and forest, usually found on the 

 ground. It walks with the mincing gait of an 

 ovenbird in the darkest and deepest parts of the 

 forest, and is excessively shy and retiring. The 

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