615. Cypselus pacificus

615. SIBERIAN SWIFT.
CYPSELUS PACIFICUS.
Cypselus pacificus (Latham), Ind. Orn. Suppl, p. lviii. (1801) ; Oates B. of Burma, ii. p. 1 ; Seebohm, B. Jap. Emp. p, 177 ; (Hartert), Cat. B. Br. Mus. xvi. p. 448 ; Tacz. F. O. Sib. O. p. 168 ; Blanf. F. Brit. Ind. Birds, iii. p. 167 ; C. australis, Gould, P.Z.S. 1839. p. 141 ; id. B. of Austral, ii. pl. 11 ; Diggles, B. of Austral, p. 20, pl. 20 ; C. vittatus, Jard. and Selby, Ill. Orn iv. pl. 39 (1843).
ad. (E. Siberia). Upper parts blackish brown ; across the rump a broad white band, the feathers with dark brown shafts ; chin and throat whitish, the feathers with dark shafts ; rest of the under parts brown, the feathers with white margins and subterminal blackish bands ; bill black ; feet purplish black ; iris deep brown. Wing 7.0, outer tail feathers 3.2, the middle ones 1.95 ; tarsus 0.45 inch. Sexes alike. The young birds have the feathers on the upper parts with pale margins.
Hab. Eastern Siberia, north to Kamchatka ; Assam, Cachar, and Manipur, throughout the Burmese countries; Mongolia, China, Corea, Japan ; in winter, south to Australia.
In general habits it resembles C. apus, but its note is said to be softer and less loud, and it is less noisy than that species. Its nest and eggs are also similar, but it appears to breed nearly always, if not always, in crannies in the rocks, usually in the mountains.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 1. 1902.
Title in Book: 
615. Cypselus pacificus
Book Author: 
H. E. Dresser
CatNo: 
615
Year: 
1902
Page No: 
430
Common name: 
Siberian Swift
M_ID: 
7752
M_CN: 
Pacific Swift
M_SN: 
Apus pacificus
Volume: 
Vol. 1
Term name: 
id: 
10807

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