484 BIRDS OF THE REPUBLIC OF PANAMA — PART 3 



cinnamon-rufous ; wings dusky ; wing coverts and broad edgings on 

 secondaries cinnamon ; primaries edged narrowly with buff ; upper 

 tail coverts and tail cinnamon-rufous ; side of head grayish olive, 

 with a narrow line of cinnamon-buff around the eye ; lores whitish ; 

 chin and upper throat pale cinnamon-buff; rest of under surface, 

 including the under wing coverts, axillars, and inner margin of 

 secondaries ochraceous-buff. 



In several males the iris varied from reddish brown to dark brown ; 

 maxilla and tip of mandible from dark neutral gray to black ; rest of 

 mandible from flesh color to pale yellow ; tarsus and toes from pale 

 brown to buffy brown and dull honey yellow ; claws mouse brown to 

 neutral gray. 



In one female the iris was dark brown ; maxilla and tip of mandible 

 dull black; base of mandible flesh color; upper half of tarsus dull 

 reddish brown, shading to fuscous on lower section and toes ; claws 

 dark neutral gray. 



Measurements. — Males (10 from Chiriqui to Darien), wing 48.9- 

 51.8 (50.4), tail 37.5-40.2 (39.4), culmen from base 8.7-10.7 (9.8), 

 tarsus 15.2-16.5 (15.8) mm. 



Females (10 from Chiriqui to Darien), wing 45.3-48.9 (47.4), 

 tail 34.2-38.8 (36.6), culmen from base 9.5-10.8 (10.0), tarsus 13.2- 

 14.7 (13.9) mm. 



Resident. Widely distributed but not abundant. Found in forested 

 areas throughout the Tropical Zone ; adaptable, as where the original 

 forest has been cut these birds may be found in taller stands of 

 second growth. 



In lowland Chiriqui I found a few in 1966, back of Puerto 

 Armuelles, and others in 1956, in a narrow band of coastal forest 

 in the eastern part of the province at Las Lajas. It is known also 

 from the forested western side of the Azuero Peninsula, but not 

 from the eastern slope in Los Santos or Herrera, nor from the open, 

 lowland savannas from Code eastward in the western Province of 

 Panama. In this area it seems to follow the foothills inland. It 

 lives also on Cerro Campana, in the northern Canal Zone, and on 

 Cerro Azul, and from the lower Bayano area, beyond Chepo, con- 

 tinues to the Colombian boundary in Darien. On the Caribbean slope, 

 it is widely spread from western Bocas del Toro east through the 

 lower Chagres area to far eastern San Bias. 



These tiny birds usually are found singly, occasionally in pairs, 

 resting quietly on open perches 3 or 4 meters above the ground in 

 the heavy shade of tall forest. Rarely, I have observed them moving 



