Ptarmigan

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This article deals with the European species named "Ptarmigan" known in North America as the Rock Ptarmigan. For the Willow Ptarmigan, see Willow Grouse; see also White-tailed Ptarmigan. See Ryper for the Norwegian Svalbard Ptarmigan.
Ptarmigan

Two raichou (Lagopus muta japonica) in autumn plumage
Conservation status

Least Concern (IUCN)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Galliformes
Family: Tetraonidae
Genus: Lagopus
Species: L. muta
Binomial name
Lagopus muta
(Montin, 1781)
Subspecies

some 20-30, including:

  • L. m. muta (Montin, 1781)
    Scandinavian Ptarmigan
  • L. m. rupestris (Gmelin, 1789)
    Canadian Rock Ptarmigan
  • L. m. helvetica (Thienemann, 1829)
    Alpine Ptarmigan
  • L. m. japonica H. L. Clark, 1907
    Japanese Ptarmigan
  • L. m. millaisi Hartert, 1923
    Scottish Ptarmigan
Synonyms
  • Tetrao mutus Montin, 1781
  • Lagopus muta (lapsus, see below)

The Ptarmigan, Lagopus muta[1], is a medium-sized (31-35 cm or 12-14 inches) gamebird in the grouse family. It is known as Rock Ptarmigan, or colloquially Snow Chicken in North America, where it is the official bird for the territory of Nunavut, Canada.[2]

It is a sedentary species, breeding across arctic and subarctic Eurasia and North America (including Greenland) on rocky mountainsides and tundra. There are isolated populations in the mountains of Scotland, the Pyrenees, the Alps, Bulgaria, the Urals, the Pamir Mountains, the Altay Mountains and Japan. During the last ice age, the species was far more widespread in continental Europe (Tomek & Bocheński 2005).

The Ptarmigan is seasonally camouflaged; its feathers moult from white in winter to brown in spring or summer. Breeding males have greyish upper parts with white wings and underparts. In winter, plumage becomes completely white except for the black tail. They can be distinguished from the winter Willow Grouse (Willow Ptarmigan in North America) by habitat - Rock Ptarmigan prefer higher elevations and more barren habitat; they are also smaller in size with a more delicate bill.

The male's "song" is a loud croaking.

Ptarmigan feed primarily on birch and willow buds and catkins when available. They will also take various seeds, leaves, flowers and berries of other plant species. Insects are also taken by the developing young.

[edit] Folklore

In the mountains of Honshū, Japan, the Ptarmigan is called raichou (literally "thunder bird") and according to legend protects people and buildings from fire and thunder.

[edit] Gallery

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Lagopus muta