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Side-by-Side Comparison

属性	American Robin	Rufous-backed Thrush
学名	Turdus migratorius	Turdus rufopalliatus
目	Passeriformes	Passeriformes
科	Turdidae	Turdidae
保全状況	Least Concern	Least Concern
体長	25.0 cm (9.8 in)	—
翼開長	36.0 cm (14.2 in)	24.9 cm (9.8 in)
体重	77.0 g (2.72 oz)	78.5 g (2.77 oz)
食性	Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its …	--
一腹卵数	2-4	3
Population Trend	—	—

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Size Comparison

Body Length

American Robin 25.0 cm

Rufous-backed Thrush —

翼開長

American Robin 36.0 cm

Rufous-backed Thrush 24.9 cm

体重

American Robin 77.0 g

Rufous-backed Thrush 78.5 g

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Habitat Comparison

共通生息地

None

American Robin only

🌲 Forest 🌿 Wetland 🌾 Grassland

Rufous-backed Thrush only

None

American Robin

Lawns, parks, gardens, farmland, and forest edges. One of the most familiar birds in suburban North America.

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Song & Call Comparison

American Robin

さえずり

A clear, caroling song of 2-3 note phrases: 'cheerily, cheer-up, cheerio'. Sings from dawn perches. Sharp 'tut-tut-tut' alarm call and thin 'seeee' flight note.

Rufous-backed Thrush

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Geographic Range & Migration

American Robin

North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.

Rufous-backed Thrush

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保全状況

Least Concern

American Robin

Least Concern

Rufous-backed Thrush

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How to Tell Them Apart

American Robin

羽毛

Dark grey-brown upperparts with a warm brick-red breast and belly. White eye-ring and streaked white throat. Female slightly paler.

くちばし

Bright yellow bill with a dark tip

Rufous-backed Thrush

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About These Birds

American Robin

北米全域に分布し、春の訪れを告げる鳥として知られるツグミ（体長23〜28cm）。オレンジ色の腹と黒い頭部が特徴的。Turdus migratorius（アメリカコマツグミ）は北米最も親しまれた野鳥の一つで、芝生でミミズを引き抜く姿が日常風景として親しまれている。連邦政府と各州で厳重に保護されており、3州の州鳥に指定されている。Turdidae科。

Rufous-backed Thrush

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Related Comparisons

American Robin vs Common Blackbird

same-family

American Robin vs Eastern Bluebird

same-family

American Robin vs Hoopoe

look-alike

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