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Side-by-Side Comparison

Attribut	Eastern Bluebird	Bougainville Thrush
Nom scientifique	Sialia sialis	Zoothera atrigena
Ordre	Passeriformes	Passeriformes
Famille	Turdidae	Turdidae
Statut de conservation	Least Concern	Near Threatened
Longueur	17,5 cm (6.9 in)	—
Envergure	27,0 cm (10.6 in)	20,7 cm (8.1 in)
Poids	31,0 g (1.09 oz)	65,3 g (2.30 oz)
Régime alimentaire	Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to …	--
Taille de la couvée	4-5	--
Population Trend	—	—

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Size Comparison

Body Length

Eastern Bluebird 17,5 cm

Bougainville Thrush —

Envergure

Eastern Bluebird 27,0 cm

Bougainville Thrush 20,7 cm

Poids

Eastern Bluebird 31,0 g

Bougainville Thrush 65,3 g

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Habitat Comparison

Habitats partagés

Aucun(e)

Eastern Bluebird only

🌾 Grassland

Bougainville 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

Chant

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.

Bougainville Thrush

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Geographic Range & Migration

Eastern Bluebird

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

Bougainville Thrush

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Statut de conservation

Least Concern

Eastern Bluebird

Near Threatened

Bougainville 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.

Bec

Short, thin, dark bill

Bougainville 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.

Bougainville 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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