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White-tailed Ptarmigan

Lagopus leucura

Least Concern

翼開長

34.6 cm

体重

361.8 g

科

Phasianidae

目

Galliformes

について

The smallest ptarmigan (~360 g) of family Phasianidae; the only ptarmigan with a white tail year-round. Inhabits alpine tundra and rocky slopes above treeline in the Rocky Mountains from Alaska to New Mexico. Plumage turns all-white in winter for camouflage. Feeds on willows, sedges, and berries. Least Concern; well adapted to extreme mountain environments but vulnerable to climate warming.

Physical Description

Measurement	Value	Imperial
翼開長	34.6 cm	13.6 in
体重	361.8 g	12.76 oz

識別

羽毛

Winter: entirely white; summer: back and breast mottled brown-and-white; tail always white, unlike other ptarmigans; red eye-comb; feathered feet white year-round. All-white tail in all seasons is unique.

Habitat & Range

🌾 Grassland

分布域

Breeds in alpine tundra from Alaska south through the Rockies to New Mexico. Largely resident, descending to lower elevations in winter.

Diet & Feeding

Eats alpine willow and heather buds and leaves; switches to berries and insects in summer. Digs through snow for winter forage.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: SC. Incubation: 22-23 days.

一腹卵数

2-9

鳴き声

さえずり

Soft, chicken-like clucking 'ko-ko-ko'; quiet relative to other ptarmigan. Alarm is a sharp 'kek' series. Males give low, croaking calls on alpine tundra at dawn. Flock contact is muted burbling.

分類学

Kingdom	Animalia
Phylum	Chordata
Class	Aves
目	Galliformes (Gamebirds)
科	Phasianidae (Pheasants & Partridges)
Genus	Lagopus
種	Lagopus leucura

Distribution

White-tailed Ptarmigan has been recorded in 1 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}

生息あり Not recorded

countries highlighted

🇳🇴 Norway

External Databases

よくある質問

What does the White-tailed Ptarmigan eat?

Eats alpine willow and heather buds and leaves; switches to berries and insects in summer. Digs through snow for winter forage.

Where does the White-tailed Ptarmigan live?

Breeds in alpine tundra from Alaska south through the Rockies to New Mexico. Largely resident, descending to lower elevations in winter.

Is the White-tailed Ptarmigan endangered?

The White-tailed Ptarmigan has a conservation status of Least Concern.

How does the White-tailed Ptarmigan nest?

Nest type: SC. Incubation: 22-23 days.

What does the White-tailed Ptarmigan sound like?

Soft, chicken-like clucking 'ko-ko-ko'; quiet relative to other ptarmigan. Alarm is a sharp 'kek' series. Males give low, croaking calls on alpine tundra at dawn. Flock contact is muted burbling.

How big is the White-tailed Ptarmigan?

The White-tailed Ptarmigan has a wingspan of 34.6 cm, weight of 361.8 g.

What order and family does the White-tailed Ptarmigan belong to?

The White-tailed Ptarmigan (Lagopus leucura) belongs to the order Galliformes and the family Phasianidae.