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Side-by-Side Comparison

Attribute	Eastern Bluebird	Scaly Thrush
Scientific Name	Sialia sialis	Zoothera dauma
Order	Passeriformes	Passeriformes
Family	Turdidae	Turdidae
Conservation Status	Least Concern	Least Concern
Length	17.5 cm (6.9 in)	—
Wingspan	27.0 cm (10.6 in)	27.2 cm (10.7 in)
Weight	31.0 g (1.09 oz)	135.16666666666666 g (4.77 oz)
Diet	Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to …	--
Clutch Size	4-5	1-5
Population Trend	—	—

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Size Comparison

Body Length

Eastern Bluebird 17.5 cm

Scaly Thrush —

Wingspan

Eastern Bluebird 27.0 cm

Scaly Thrush 27.2 cm

Weight

Eastern Bluebird 31.0 g

Scaly Thrush 135.16666666666666 g

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Habitat Comparison

Shared Habitats

None

Eastern Bluebird only

🌾 Grassland

Scaly 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

Song

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.

Scaly Thrush

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Geographic Range & Migration

Eastern Bluebird

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

Scaly Thrush

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Conservation Status

Least Concern

Eastern Bluebird

Least Concern

Scaly Thrush

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How to Tell Them Apart

Eastern Bluebird

Plumage

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

Bill

Short, thin, dark bill

Scaly Thrush

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About These Birds

Eastern Bluebird

The eastern bluebird is a beloved symbol of happiness in North America. Once declining due to habitat loss and competition from introduced species, populations recovered dramatically thanks to a massive citizen science nest box campaign. These gentle thrushes form loose winter flocks and huddle together in nest boxes during cold snaps.

Scaly Thrush

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Related Comparisons

American Robin vs Eastern Bluebird

same-family

Common Kingfisher vs Eastern Bluebird

look-alike

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