1203. Simorhynchus pusillus

1203. LEAST AUK.
SIMORHYNCHUS PUSILLUS.
Simorhynchua pusillus (Pall.), Zoogr. Ross. As. ii. p. 373, pl. xc. (1811) ; (Elliot), B. N. Am. ii. pl. lxviii. ; (Tacz.), F. O. Sib. O. p. 1229 ; Ogilvie Grant, Cat. B. Br. Mus. xxvi. p. 605 ; Ridgway, p. 13 ; (Seebohm), B. Jap. Emp. p. 287 ; Phaleris microceros, Brandt, Bull Acad. St. Petersb, ii. p. 347 (1837).
Male ad. (St, Paul’s, Alaska). Upper parts, wings, tail, chin, and a narrow band crossing the neck black ; rest of under parts white, the flanks marked with blackish ; forehead finely striped with pointed white feathers, and two or three white lines behind the eye ; bill dark reddish on the terminal half, basal half and tubercle dusky ; legs and feet light whitish cobalt-blue, the joints darker ; webs blackish ; iris white. Culmen 0.55, wing 3.9, tail 1.9, tarsus 0.8 inch. Sexes alike. In winter the tubercle at the base of the bill is absent, and the chin and upper throat are dark smoke-grey.
Hab. North Pacific and the Arctic Ocean south to Japan ; Kamchatka, the Commander and Kurile Islands ; Alaska.
In habits it does not appreciably differ from its allies. It breeds in crevices of rocks or under huge boulders, in June, laying a single dull white egg, very faintly marked with pale reddish brown at the larger end. which measures 1.62 by 1.07.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 2. 1903.
Title in Book: 
1203. Simorhynchus pusillus
Book Author: 
H. E. Dresser
CatNo: 
1203
Year: 
1903
Page No: 
870
Common name: 
Least Auk
M_ID: 
4752
M_CN: 
Least Auklet
M_SN: 
Aethia pusilla
Volume: 
Vol. 2
id: 
10479

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