838. Cygnus bewicki

838. Bewick’s Swan.
CYGNUS BEWICKI.
Cygnus bewicki, Yarrell, Tr. Lin. Soc. xvi. 2, p. 453 (1830) ; Hewitson, ii. p. 396, pl. cxi. fig. 1 ; Gould, B. of E. v. pl. 356 ; Dresser, vi. p. 441, pl. 419, fig. 3 ; Salvadori, Oat. B. Br. Mus. xxvii. p. 29 ; Saunders, p. 415 ; Lilford, vii. p. 79, pl. 30 ; Seebohm, B. Jap. Emp. p. 235 ; C. minor, Keyserl. and Blas. Wirbelth. Eur. p. 82 (1840) ; Gould, B. of Gt. Brit. v. pl. 10 ; David and Oust. Ois. Chine, p. 494 ; Tacz. F. O. Sib. O. p. 1118 ; C. melanorhinus, Naum, p. 497, Taf. 297 (1842).
Kleiner Schwan, German ; Kleine Zwaan, Dutch ; Pibsvane, Dan. ; Haku-cho, Jap.
Male ad. (English coast). Differs from C. musicus in being smaller, in having the base of the bill lemon-yellow, this colour not reaching to the nostril, the rest of the bill being black ; legs black ; iris brown ; tail- feathers usually 20. Gape 3.4, wing 18.7, tail 7.0, tarsus 3.85 inch.
Hab. North-east Europe and Asia, in winter migrating south to Britain, Scandinavia, continental Europe, Mongolia, China, and Japan. In Europe it is a more eastern species than C. musicus, and does not breed further west than European Russia.
In habits it does not differ from its allies. It breeds in northern Russia and Siberia, its eggs being similar to those of C. musicus, but smaller, measuring only 3.3 by 2.4.
The American representative of this species C. columbianus (Ord) which has the bill deep black, with a patch of deep orange, is said to have occurred in Scotland, but on very doubtful evidence, and Dr. Stejneger obtained a young specimen on Bering Island in Eastern Siberia in 1882. Cygnus davidi Swinhoe (P. Z. S. 1870, p. 430) which is smaller than C. bewicki, and has the beak and legs orange-red is said to have occurred in Mongolia, but I have not been able to examine a specimen, and have therefore not included it.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 2. 1903.
Title in Book: 
838. Cygnus bewicki
Book Author: 
H. E. Dresser
CatNo: 
838
Year: 
1903
Page No: 
600
Common name: 
Bewick’s Swan
M_ID: 
320
M_SN: 
Cygnus columbianus bewickii
Volume: 
Vol. 2
Term name: 
id: 
10013

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