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Side-by-Side Comparison

属性	Eastern Bluebird	Mountain Bluebird
学名	Sialia sialis	Sialia currucoides
目	Passeriformes	Passeriformes
科	Turdidae	Turdidae
保护状况	Least Concern	Least Concern
体长	17.5 cm (6.9 in)	—
翼展	27.0 cm (10.6 in)	22.8 cm (9.0 in)
体重	31.0 g (1.09 oz)	30.075 g (1.06 oz)
食性	Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to …	--
产卵数	4-5	5-6
Population Trend	—	—

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Size Comparison

Body Length

Eastern Bluebird 17.5 cm

Mountain Bluebird —

翼展

Eastern Bluebird 27.0 cm

Mountain Bluebird 22.8 cm

体重

Eastern Bluebird 31.0 g

Mountain Bluebird 30.075 g

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Habitat Comparison

共同栖息地

🌾 Grassland

Eastern Bluebird only

无

Mountain Bluebird only

无

Eastern Bluebird

Open woodland, farmland edges, orchards, and parks with scattered trees and open ground. Readily uses nest boxes.

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Song & Call Comparison

Eastern Bluebird

鸣唱

A rich, melodious warbled 'chur-wi, tur-a-lee' song. Both sexes sing. Call is a soft, musical 'turee'. Song is gentle and flute-like, suggesting a small thrush. Given from exposed perch.

Mountain Bluebird

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Geographic Range & Migration

Eastern Bluebird

Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.

Mountain Bluebird

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保护状况

Least Concern

Eastern Bluebird

Least Concern

Mountain Bluebird

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How to Tell Them Apart

Eastern Bluebird

羽毛

Males are vivid royal blue above with a rusty-red breast and white belly. Females are grey-blue with a paler rust breast.

喙

Short, thin, dark bill

Mountain Bluebird

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About These Birds

Eastern Bluebird

北美幸福的象征。通过安装巢箱使种群得以恢复。冬季形成松散群体。

Mountain Bluebird

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Related Comparisons

American Robin vs Eastern Bluebird

same-family

Common Kingfisher vs Eastern Bluebird

look-alike

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