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Side-by-Side Comparison

属性	American Robin	Black-billed Nightingale-thrush
学名	Turdus migratorius	Catharus gracilirostris
目	Passeriformes	Passeriformes
科	Turdidae	Turdidae
保护状况	Least Concern	Least Concern
体长	25.0 cm (9.8 in)	—
翼展	36.0 cm (14.2 in)	15.2 cm (6.0 in)
体重	77.0 g (2.72 oz)	20.450000000000003 g (0.72 oz)
食性	Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its …	--
产卵数	2-4	2
Population Trend	—	—

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Size Comparison

Body Length

American Robin 25.0 cm

Black-billed Nightingale-thrush —

翼展

American Robin 36.0 cm

Black-billed Nightingale-thrush 15.2 cm

体重

American Robin 77.0 g

Black-billed Nightingale-thrush 20.450000000000003 g

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Habitat Comparison

共同栖息地

🌲 Forest

American Robin only

🌿 Wetland 🌾 Grassland

Black-billed Nightingale-thrush only

无

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

鸣唱

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.

Black-billed Nightingale-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.

Black-billed Nightingale-thrush

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保护状况

Least Concern

American Robin

Least Concern

Black-billed Nightingale-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.

喙

Bright yellow bill with a dark tip

Black-billed Nightingale-thrush

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About These Birds

American Robin

美洲鸫（学名Turdus migratorius）被广泛视为北美春天的使者。尽管名为"知更鸟"（robin），实为鸫科（Turdidae）成员，与欧洲知更鸟无近缘关系。雄鸟胸部橙红色，头部黑色，体长约25厘米。食蚯蚓和浆果，常见于草坪和公园。

Black-billed Nightingale-thrush

黑嘴夜鸫，黑色嘴、纯橄榄褐色、橙黄色腹面，分布于哥斯达黎加和巴拿马西部海拔1,500米以上高地。

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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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