PANAMA SITTASOMUS 



but up-curved below; tail feathers with rigid 

 spine-like tips. 



A little bird of the forest which climbs tree 

 trunks, using its tail for support like a small 

 woodpecker or creeper. Rather common on 

 Barro Colorado Island. 



2. Sittasomus sylvioides levis (Bangs) 

 Panama Sittasomus 



Sexes alike. Length 156 mm. (6.10 in.); tail 

 75 mm. (2.90 in.). Head, hindneck and sides 

 of neck grayish olive ; the under parts (excepting 

 under tail coverts) similar but paler, back and 

 scapular russet olive; rump and tail cinnamon 

 rufous; wing quills rufous cinnamon with a 

 mostly concealed area of black and a band of 

 tawny buff on under surface of quills, visible 

 from beneath; under tail coverts cinnamon 

 rufous. Bill small and slender and slightly 

 curved terminally. 



A small woodhewer with a long, graduated 

 tail, the shafts of the feathers rigid and pro- 

 truding, down-curved at the tip. 



3. Dendrocincla lafresnayi ridgwayi 



(Oberholser) 

 Brown Dendrocincla 



Sexes alike. Length 205 mm. (8.05 in.); 

 tail 87 mm. (3.40 in.). Upper parts plain rich 

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