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Ruffed Grouse

Bonasa umbellus

Least Concern

翼開長

36.6 cm

体重

613.0 g

科

Phasianidae

目

Galliformes

について

エリマキライチョウはキジ科の中型ライチョウ（約610g）で、扇形の尾と頸の襞飾りを持つ褐色・灰色の見事な保護色を持つ。北米の落葉樹林と混交林に生息する。雄は翼で叩くことで独特の太鼓のような音を出す。芽・葉・ベリーを食べる。軽度懸念；北米の広域にわたる林に生息する重要な狩猟鳥。

Physical Description

Measurement	Value	Imperial
翼開長	36.6 cm	14.4 in
体重	613.0 g	21.62 oz

識別

羽毛

Cryptic brown or grey morph; broad black ruff on neck sides; tail broadly banded grey with black subterminal bar; underparts barred buff and brown; red eye-comb; two colour morphs vary by region.

Habitat & Range

🌲 Forest

分布域

Resident across boreal forests of North America from Alaska south to the Appalachians. Found in deciduous and mixed woodland. Largely sedentary.

Diet & Feeding

Buds, catkins, and leaves of deciduous trees dominate diet in winter; berries, seeds, and invertebrates eaten in summer. Foliage forager.

保全状況

Least Concern

IUCN Red List

行動と繁殖

営巣

Nest type: CP. Incubation: 23-24 days. Fledging: 10-12 days.

一腹卵数

6-15

鳴き声

さえずり

Males produce deep, accelerating drumming with wings on hollow logs; thump-thump-thump-rrrrrr. Vocal calls include soft 'quit-quit'; alarm is a sharp 'pit'. Drumming carries up to 400 meters.

分類学

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

Distribution

Ruffed Grouse has been recorded in 2 countries.

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生息あり Not recorded

countries highlighted

🇳🇴 Norway 🇺🇸 United States

External Databases

よくある質問

What does the Ruffed Grouse eat?

Buds, catkins, and leaves of deciduous trees dominate diet in winter; berries, seeds, and invertebrates eaten in summer. Foliage forager.

Where does the Ruffed Grouse live?

Resident across boreal forests of North America from Alaska south to the Appalachians. Found in deciduous and mixed woodland. Largely sedentary.

Is the Ruffed Grouse endangered?

The Ruffed Grouse has a conservation status of Least Concern.

How does the Ruffed Grouse nest?

Nest type: CP. Incubation: 23-24 days. Fledging: 10-12 days.

What does the Ruffed Grouse sound like?

Males produce deep, accelerating drumming with wings on hollow logs; thump-thump-thump-rrrrrr. Vocal calls include soft 'quit-quit'; alarm is a sharp 'pit'. Drumming carries up to 400 meters.

How big is the Ruffed Grouse?

The Ruffed Grouse has a wingspan of 36.6 cm, weight of 613.0 g.

What order and family does the Ruffed Grouse belong to?

The Ruffed Grouse (Bonasa umbellus) belongs to the order Galliformes and the family Phasianidae.