FAMILY TYRANNIDAE 44I 



This race ranges beyond Panama into northern Choco, Colombia, 

 where Carriker collected it at Unguia and Acandi. Near the center 

 of the western coast of Choco, it is replaced by the race paramhae, 

 which is dark green on the dorsal surface, with the rump and upper 

 tail coverts yellow. 



LANIOCERA RUFESCENS RUFESCENS (Sclater) : 

 Speckled Mourner, Bobo 



Figure 41 



Lipaiigus rufcscens P. L. Sclater, Proc. Zool. Soc. London, vol. 25, 1857 

 (January 28, 1858), p. 276. (Coban, Guatemala.) 



Medium size ; wholly brown, darker above ; indistinctly barred on 

 under surface ; a partly concealed yellow spot on the sides ; wing 

 coverts spotted irregularly with dusky. 



Description. — Length 190-210 mm. Adult (sexes alike), upper 

 surface dull cinnamon-rufous ; crown feathers edged narrowly with 

 dark gray ; wing coverts dusky, tipped widely with cinnamon-rufous ; 

 rump and upper tail coverts barred narrowly and indistinctly with 

 dusky ; primaries and secondaries dusky, edged on outer and inner 

 webs with cinnamon-rufous ; tail russet ; under surface tawny- 

 ochraceous to cinnamon-rufous ; throat paler ; upper breast and sides 

 barred indistinctly with grayish brown ; a few feathers at center of 

 sides lemon yellow, producing a partly concealed spot ; under wing 

 coverts and axillars cinnamon-rufous. 



Immature, darker, grayer on crown, lower back and rump ; center 

 of foreneck and sides of neck dull gray, with the throat feathers 

 basally cinnamon-brown ; a few of the breast feathers tipped with 

 black, producing distinct round spots ; lower surface from lower fore- 

 neck to the sides of the abdomen banded more distinctly with dull 

 gray. 



A male collected near the Peluca Hydrographic Station, on the 

 Colon side of the Rio Boqueron, February 27, 1961, had the 

 iris dark mouse brown ; cutting edge of maxilla below nostril and 

 of the mandible for its posterior half, and the gape dull honey yellow; 

 mandibular rami and base of gonys pale brownish white; rest of bill 

 black; upper half of tarsus dull mouse brown, shading to brownish 

 neutral gray on the lower half and toes; claws dark neutral gray. 

 Another male, taken at Caiiita, eastern Province of Panama, Febru- 

 ary 6, 1962, had the iris dark wood brown ; maxilla and tip of mandi- 

 ble fuscous-black; base of mandible grayish brown; tarsus and toes 

 neutral gray ; claws dark neutral gray. In this bird, and in two other 



