MEXICAN XENOPS 



head, and passing to bright chestnut on rump; 

 tail and wings partly tawny or tawny chestnut 

 and black, the wings when folded showing a 



FIG. 47. Xenops genibarbis ridgwayi 



(Nat. Size) 



wide chestnut band across the quills and an- 

 other chestnut patch behind that; a line of 

 buff from upper eyelid over ear coverts, a 

 conspicuous curved streak of white below the 

 ear coverts; chin and throat buffy with dusky 

 spots; rest of under parts buffy olive, brown. 

 Bill short, straight above, upcurved below; tail 

 moderately long with soft-tipped feathers. 



Young. No chestnut on head, under parts 

 more olive. 



A small bird of the jungle and forest under- 

 growth, climbing about like a titmouse or nut- 

 hatch, without using the tail for support. 

 Common on Barro Colorado Island. Note a 

 shrill high pitched chip, often repeated very 

 rapidly to form a prolonged call. 

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