1148. Larus affinis

1148. Siberian Gull.
LARUS AFFINIS.
Lams affinis, Reinhardt, Vidensk. Meddel. 1853, p. 78 ; Dresser, viii. p. 417 ; Ridgway, p. 29 ; Saunders, Cat. B. Br. Mus. xxv. p. 254 ; Tacz. F. O. Sib. O. p. 1026 ; Blanf. F. Brit. Ind. Birds, iv. p. 304.
Male ad. (Petchora). Differs from L, fuscus in being larger, with a proportionately shorter wing, the mantle paler, being dark dull slate- blue ; quills black, with a distinct dark slate pattern on the inner web, the first with a white spot near the tip, several others slightly tipped with white, the inner secondaries broadly white tipped ; bill and legs as in L. fuscus ; orbital ring deep orange. Culmen 2.75, wing 17.4, tail 7.0 tarsus 2.8 inch.
Hab. Northern Europe and Asia from the Dvina to the Yenesei ; wintering on the coasts of Baluchistan, Western India, Malabar, Southern Arabia, Somaliland, Aden, and Socotra ; has once been obtained in Heligoland, and the type in South Greenland.
In habits it resembles L. fuscus, and its eggs are like those of that species.

BookTitle: 
A Manual Of Palaearctic Birds
Reference: 
Dresser, Henry Eeles. A Manual of Palaearctic Birds. Vol. 2. 1903.
Title in Book: 
1148. Larus affinis
Book Author: 
H. E. Dresser
CatNo: 
1148
Year: 
1903
Page No: 
835
Common name: 
Siberian Gull
M_ID: 
4572
M_SN: 
Larus fuscus heuglini
Volume: 
Vol. 2
Term name: 
id: 
10801

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