254 BIRDS OF THE REPUBLIC OF PANAMA PART 2 



ANDRODON AEQUATORIALIS Gould: Tooth-billed Hummingbird, 

 Colibri Piquidentado 



Androdon aequatorialis Gould, Ann. Mag. Nat. Hist., ser. 3, vol. 12, 1863, 

 p. 247. (Ecuador.) 



Bill nearly as long as head, neck, and body, dentate on cutting edge 

 of maxilla and mandible for distal half or less, strongly so near the 

 tip ; foreneck and breast dull white streaked heavily with dull black. 



Description. — Length 125-145 mm. Male, crown metallic reddish 

 copper, changing to dull sooty brown on the forehead ; back and wing 

 coverts shining green ; lower rump pure white, bordered above by a 

 narrow indefinite band like the crown ; upper tail coverts distally dull 

 greenish blue, with the concealed base dull gray ; wings dull black, 

 with a slight sheen of greenish blue, the inner webs with a faint 

 coppery tint ; base of tail light grayish green, banded broadly with 

 bluish green at the end, and tipped narrowly with white ; side of head 

 and under surface grayish white, streaked broadly with dull black; 

 sides and under wing coverts brownish gray ; a wash of dull pink on 

 the posterior flanks ; under tail coverts dull white spotted heavily with 

 dull black. 



Female, with the reddish copper on the crown duller and the under 

 surface less heavily streaked. 



Immature, with the nape and crown shining greenish blue ; coppery 

 band on rump absent or reduced. 



On the label of male and female specimens in the British Museum, 

 collected on the Rio Blanco, below Mindo, Ecuador, Walter Good- 

 fellow noted the following colors : iris black ; bill dingy yellow at 

 base, elsewhere black ; feet pale yellow. 



Measurements. — Males (10 from Darien and Colombia), wing 

 64.1-68.4 (66.5), tail 38.8-43.9 (40.9), oilmen from base 38.7-42.1 

 (40.2) mm. 



Females (5 from Darien and Colombia), wing 62.0-64.3 (63.1), 

 tail 37.4-41.0 (38.9), culmen from base 37.7-40.2 (38.9) mm. 



Resident. In the Subtropical Zone on the mountains of Darien. 

 Recorded from Cerro Sapo, Cerro Pirre, and Cerro Tacarcuna. 



The first records for this species in Panama were 3 males and a 

 female taken by E. A. Goldman, April 22 and 23, and May 1, 1912, at 

 about 1,580 meters near the head of Rio Limon on Cerro Pirre. Bond 

 and de Schauensee (Acad. Nat. Sci. Philadelphia, Monogr. no. 6, 

 1944, p. 29) record another collected March 29, 1938, by Oliver 

 Pearson in the same area. They also list a male taken on Cerro Sapo, 

 above Garachine, May 3, 1941, by Dawson Feathers while on the 



