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Western Capercaillie

Tetrao urogallus

Least Concern

翼開長

69.5 cm

体重

3072.5 g

科

Phasianidae

目

Galliformes

について

北ヨーロッパ・アジアの成熟した針葉樹林に生息するキジ科最大の鳥（体長60〜87cm）。雄は黒い体に赤い眉の皮膚、扇形の尾、白い翼下部が特徴的。Tetrao urogallus（オオライチョウ）の雄の求愛ダンスは独特で、翼を広げて特徴的な音楽的鳴き声を出しながら踊る。生息地の森林減少で多くの地域で個体数が激減。Phasianidae科。

Physical Description

Measurement	Value	Imperial
翼開長	69.5 cm	27.4 in
体重	3072.5 g	108.38 oz

識別

羽毛

Strongly dimorphic. Male dark slate-blue with iridescent bottle-green gorget, brown wings, and red wattle over eye; fan-shaped tail. Female cryptically barred ochre, russet, and black with orange breast patch.

Habitat & Range

🌲 Forest

分布域

Resident of mature coniferous and mixed forests from Scotland and Scandinavia east through Russia to Siberia; relict populations in central Europe.

Diet & Feeding

Relies on pine and other conifer needles in winter; forages for berries, shoots, herbs, and invertebrates in spring and summer.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: SC. Incubation: 24-29 days. Fledging: 14-21 days.

一腹卵数

4-12

鳴き声

さえずり

Extraordinary lek song: four phases — ticking, popping, cork-pulling, then grinding 'shhhhh'; lasts 6–8 seconds. Largest grouse song; audible 500+ m in European forest. Alarm is a loud bark.

分類学

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

Distribution

Western Capercaillie has been recorded in 5 countries.

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生息あり Not recorded

countries highlighted

🇩🇰 Denmark 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden 🇺🇦 Ukraine

External Databases

よくある質問

What does the Western Capercaillie eat?

Relies on pine and other conifer needles in winter; forages for berries, shoots, herbs, and invertebrates in spring and summer.

Where does the Western Capercaillie live?

Resident of mature coniferous and mixed forests from Scotland and Scandinavia east through Russia to Siberia; relict populations in central Europe.

Is the Western Capercaillie endangered?

The Western Capercaillie has a conservation status of Least Concern.

How does the Western Capercaillie nest?

Nest type: SC. Incubation: 24-29 days. Fledging: 14-21 days.

What does the Western Capercaillie sound like?

Extraordinary lek song: four phases — ticking, popping, cork-pulling, then grinding 'shhhhh'; lasts 6–8 seconds. Largest grouse song; audible 500+ m in European forest. Alarm is a loud bark.

How big is the Western Capercaillie?

The Western Capercaillie has a wingspan of 69.5 cm, weight of 3072.5 g.

What order and family does the Western Capercaillie belong to?

The Western Capercaillie (Tetrao urogallus) belongs to the order Galliformes and the family Phasianidae.