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Lagopus muta

(Rock Ptarmigan)

Common Names

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Common Names in English:

Rock Ptarmigan

Description

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Physical Description

Adult Female Summer: Bill: black Length : short.Adult Male Summer: Head : reddish or chestnut Face : Eyebrow Line : bright red Bill: black Tail: black.

Size/Age/Growth

About 13 to 15 inches long, with a wingspan of 17 to 20 inches. Adults weigh about 14.9 ounces .

Habitat

Typically found at an altitude of 0 to 3,925 meters (0 to 12,877 feet).[1]

Biology

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Diet

Primarily:

Plant Matter

Lesser Quantities of: Insects

Reproduction

Migration

Nonmigratory

Taxonomy

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Unambiguous Synonyms

  1. Lagopus mutus (Montin, 1781)

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 06-Aug-2005

Similar Species

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Willow Ptarmigan, White-Tailed Ptarmigan

Members of the genus Lagopus

There are approximately 91 species in this genus:

L. albus · L. lagopus (Willow Ptarmigan) · L. lagopus alascensis (Willow Ptarmigan) · L. lagopus alba · L. lagopus albus (Willow Ptarmigan) · L. lagopus alexandrae (Willow Ptarmigan) · L. lagopus alleni (Willow Ptarmigan) · L. lagopus brevirostris · L. lagopus hibernicus · L. lagopus koreni (Willow Ptarmigan) · L. lagopus kozlowae · L. lagopus lagopus (Willow Ptarmigan) · L. lagopus leucoptera · L. lagopus leucopterus (Willow Ptarmigan) · L. lagopus maior (Willow Ptarmigan) · L. lagopus major · L. lagopus muriei (Murie's Willow Ptarmigan) · L. lagopus mutus · L. lagopus okadai · L. lagopus rossica · L. lagopus rossicus · L. lagopus scotica (Willow Ptarmigan) · L. lagopus scoticus · L. lagopus sserebrowsky · L. lagopus ssp · L. lagopus ungavus (Willow Ptarmigan) · L. lagopus variegata · L. lagopus x · L. leucura (White-Tailed Ptarmigan) · L. leucura altipetens · L. leucura leucura · L. leucura peninsularis · L. leucura rainierensis · L. leucura saxatilis · L. leucurus · L. leucurus altipetens (White-Tailed Ptarmigan) · L. leucurus leucurus (Rocky Mountain Snow Partridge) · L. leucurus peninsularis (White-Tailed Ptarmigan) · L. leucurus rainierensis (White-Tailed Ptarmigan) · L. leucurus saxatilis (White-Tailed Ptarmigan) · L. muta (Rock Ptarmigan) · L. muta atkhensis (Turners Rock Ptarmigan) · L. muta capta · L. muta chamberlaini (Chamberlain's Rock Ptarmigan) · L. muta dixoni · L. muta evermanni (Evermann's Rock Ptarmigan) · L. muta gabrielsoni (Amchitka Rock Ptarmigan) · L. muta gerasimovi · L. muta helvetica · L. muta hyperborea · L. muta islandorum · L. muta japonica · L. muta kurilensis · L. muta millaisi · L. muta muta · L. muta nadezdae · L. muta nelsoni · L. muta pleskei · L. muta pyrenaica · L. muta ridgwayi · L. muta rupestris · L. muta sanfordi (Sanford's Rock Ptarmigan) · L. muta saturata · L. muta townsendi (Townsend's Rock Ptarmigan) · L. muta welchi · L. muta yunaskensis (Yunaska Rock Ptarmigan) · L. mutus · L. mutus atkhensis (Rock Ptarmigan) · L. mutus captus (Rock Ptarmigan) · L. mutus chamberlaini (Rock Ptarmigan) · L. mutus dixoni (Rock Ptarmigan) · L. mutus evermanni (Rock Ptarmigan) · L. mutus gabrielsoni (Rock Ptarmigan) · L. mutus helveticus · L. mutus hyperboreus · L. mutus islandorum · L. mutus japonicus · L. mutus kelloggae · L. mutus millaisi · L. mutus mutus · L. mutus nelsoni (Rock Ptarmigan) · L. mutus pyrenaicus · L. mutus rupestris (Rock Ptarmigan) · L. mutus sanfordi (Rock Ptarmigan) · L. mutus saturatus (Rock Ptarmigan) · L. mutus townsendi (Rock Ptarmigan) · L. mutus welchi (Rock Ptarmigan) · L. mutus yunaskensis (Rock Ptarmigan) · L. rupestris · L. scoticus · L. scoticus scoticus

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 05, 2008:

Identifiers

Footnotes

  1. Mean = 793.690 meters (2,603.970 feet), Standard Deviation = 314.950 based on 1,811 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 2009-06-19