120 BIRDS OF THE REPUBLIC OF PANAMA — PART 2 



name incincta for the paler birds, but the differences are not suffi- 

 ciently stable to warrant this distinction. In fact, the color difference 

 that he notes in the tail of his type specimen in his paragraph on 

 characters, indicates merely that his bird was an immature individual. 



PIAYA MINUTA PANAMENSIS Todd: Dwarf Squirrel Cuckoo, 

 Pajaro Ardilla Enano 



Piaya rutila panamensis Todd, Ann. Carnegie Mus., vol. 8, May 20, 1912, p. 212. 

 (Loma del Leon = Lion Hill, Canal Zone, Panama.) 



A small, reddish brown cuckoo with graduated, white-tipped tail ; 

 a miniature of the large squirrel cuckoo. 



Description. — Length 255-270 mm. Head with a bushy crest. 

 Adult (sexes alike), crown cinnamon-brown; rest of body rufous- 

 brown, with tips of wings blackish brown ; tail chestnut, with a dull 

 black subterminal bar and narrow white tip ; throat and upper breast 

 cinnamon-brown ; lower breast, abdomen and sides light brownish 

 slate, changing to dull black on the under tail coverts ; under side of 

 tail blacker than dorsal surface, especially toward the tips of the 

 feathers; under wing coverts brownish buff; under surface of flight 

 features cinnamon, with the tips brownish slate. 



Immature, darker on the lower breast and abdomen ; tail feathers 

 with an indistinct, very narrow, reddish brown tip. 



An adult male taken at El Real, Darien, January 8. 1964, had the 

 iris carmine-red ; ring formed by the thickened edge of the eyelids 

 red ; bill greenish yellow, the green deeper toward the base ; tarsus and 

 toes dark neutral gray ; claws black ; inside of mouth and top of tongue 

 deep black; underside of tongue bluish neutral gray. Another male 

 taken March 22, 1961, at La Jagua, Panama had the bare skin below 

 the eye greenish yellow. Otherwise it resembled the one from El Real. 



Measurements. — Males (8 from Panama), wing 100.0-106.6 

 (102.4), tail 134.5-155.5 (145.3), oilmen from base 19.4-22.2 (20.9), 

 tarsus 247-27.0 (25.5) mm. 



Females (6 from Panama and Colombia) wing 97.7-104.5 (101.6), 

 tail 132.8-152.7 (147.6 average of 5), oilmen from base 19.4-21.4 

 (20.3), tarsus 24.0-27.5 (25.5) mm. 



Resident. Found locally in the tropical lowlands from the Canal 

 Zone east through the Province of Panama (Pacora, La Jagua) to 

 eastern Darien (El Real), to 750 meters on Cerro Pirre. 



These small cukoos are miniatures of the large squirrel cuckoo 

 in general appearance, though on close examination in the hand it 

 is seen that the feathers of the back of head are longer. Though 



