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Side-by-Side Comparison

属性	Eastern Bluebird	Bismarck Island Thrush
学名	Sialia sialis	Turdus heinrothi
目	Passeriformes	Passeriformes
科	Turdidae	Turdidae
保全状況	Least Concern	Not Evaluated
体長	17.5 cm (6.9 in)	—
翼開長	27.0 cm (10.6 in)	—
体重	31.0 g (1.09 oz)	57.5 g (2.03 oz)
食性	Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to …	--
一腹卵数	4-5	1-3
Population Trend	—	—

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Size Comparison

Body Length

Eastern Bluebird 17.5 cm

Bismarck Island Thrush —

翼開長

Eastern Bluebird 27.0 cm

Bismarck Island Thrush —

体重

Eastern Bluebird 31.0 g

Bismarck Island Thrush 57.5 g

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Habitat Comparison

共通生息地

None

Eastern Bluebird only

🌾 Grassland

Bismarck Island Thrush only

🌲 Forest

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

さえずり

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.

Bismarck Island Thrush

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Geographic Range & Migration

Eastern Bluebird

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

Bismarck Island Thrush

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保全状況

Least Concern

Eastern Bluebird

Not Evaluated

Bismarck Island Thrush

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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.

くちばし

Short, thin, dark bill

Bismarck Island Thrush

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About These Birds

Eastern Bluebird

北米に生息するヒタキで、青い上面とオレンジ色の胸を持つ。巣箱の設置プログラムにより個体数が回復した。

Bismarck Island Thrush

The Bismarck Island Thrush is a thrush endemic to the Bismarck Archipelago, particularly New Britain and Bougainville. It has warm brown plumage typical of island thrushes in the Turdus genus. It forages on the forest floor and in trees for earthworms, fruits, berries, and invertebrates.

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Related Comparisons

American Robin vs Eastern Bluebird

same-family

Common Kingfisher vs Eastern Bluebird

look-alike

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