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Side-by-Side Comparison

Atributo	Eastern Bluebird	Grey-backed Thrush
Nome científico	Sialia sialis	Turdus hortulorum
Ordem	Passeriformes	Passeriformes
Família	Turdidae	Turdidae
Estado de conservação	Least Concern	Least Concern
Comprimento	17,5 cm (6.9 in)	—
Envergadura	27,0 cm (10.6 in)	23,2 cm (9.1 in)
Peso	31,0 g (1.09 oz)	63,5 g (2.24 oz)
Dieta	Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to …	--
Tamanho da postura	4-5	3-5
Population Trend	—	—

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Size Comparison

Body Length

Eastern Bluebird 17,5 cm

Grey-backed Thrush —

Envergadura

Eastern Bluebird 27,0 cm

Grey-backed Thrush 23,2 cm

Peso

Eastern Bluebird 31,0 g

Grey-backed Thrush 63,5 g

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Habitat Comparison

Habitats partilhados

Nenhum

Eastern Bluebird only

🌾 Grassland

Grey-backed 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

Canto

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.

Grey-backed Thrush

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Geographic Range & Migration

Eastern Bluebird

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

Grey-backed Thrush

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Estado de conservação

Least Concern

Eastern Bluebird

Least Concern

Grey-backed Thrush

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How to Tell Them Apart

Eastern Bluebird

Plumagem

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

Bico

Short, thin, dark bill

Grey-backed 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.

Grey-backed 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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