970. Lagopus rupestris

970. Rock-Ptarmigan.
LAGOPUS RUPESTRIS.
Lagopus rupestris (Gmel.), Syst. Nat. i. p. 751 (1788) ; Audub. B. Am. pl. 301 ; Dresser, vii. p. 175, pls. 480, 481 ; Ogilvie Grant, Cat. B. Br. Mus. xxii. p. 48 ; Bidgway, p. 200 ; Elliot, Monogr. Tetr. pl. 23 ; L. islandorum, Faber, Prodr. Isl. Orn. p. 6 (1822).
Riupa, male Kieri, Icel.
Male ad. (Iceland). Differs in summer plumage from L. mutus in having the head, neck, upper parts, and breast blackish brown barred and vermiĀ¬culated with reddish brown ; supraocular comb light vermilion ; bill brownish horn ; iris dark hazel. Culmen 1.0, wing 7.82, tail 4.95, tarsus 1.2 inch. In the autumn dress it is browner than L. mutus. The female is yellower and more ochreous in tone than the female of L. mutus. In the winter both sexes are white like L. mutus.
Hab. Iceland ; Greenland ; Northern Asia ; Kamchatka ; Boring Island ; Aleutian Islands ; Arctic North America and Newfoundland. In habits and nidification this bird does not differ from L. mutus, and its eggs are undistinguishable from 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: 
970. Lagopus rupestris
Book Author: 
H. E. Dresser
CatNo: 
970
Year: 
1903
Page No: 
694
Common name: 
Rock Ptarmigan
M_ID: 
1076
M_SN: 
Lagopus muta rupestris
Volume: 
Vol. 2
id: 
10724

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