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Side-by-Side Comparison

คุณสมบัติ	Eastern Bluebird	Eastern Slaty Thrush
ชื่อวิทยาศาสตร์	Sialia sialis	Turdus subalaris
อันดับ	Passeriformes	Passeriformes
วงศ์ตระกูล	Turdidae	Turdidae
สถานะการอนุรักษ์	Least Concern	Least Concern
ความยาว	17.5 cm (6.9 in)	—
กว้างปีก	27.0 cm (10.6 in)	21.4 cm (8.4 in)
น้ำหนัก	31.0 g (1.09 oz)	50.5 g (1.78 oz)
อาหาร	Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to …	--
จำนวนไข่	4-5	2-4
Population Trend	—	—

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Size Comparison

Body Length

Eastern Bluebird 17.5 cm

Eastern Slaty Thrush —

กว้างปีก

Eastern Bluebird 27.0 cm

Eastern Slaty Thrush 21.4 cm

น้ำหนัก

Eastern Bluebird 31.0 g

Eastern Slaty Thrush 50.5 g

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Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

ไม่มี

Eastern Bluebird only

🌾 Grassland

Eastern Slaty 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

เสียงร้อง

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.

Eastern Slaty Thrush

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Geographic Range & Migration

Eastern Bluebird

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

Eastern Slaty Thrush

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สถานะการอนุรักษ์

Least Concern

Eastern Bluebird

Least Concern

Eastern Slaty Thrush

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How to Tell Them Apart

Eastern Bluebird

ขนนก

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

ปาก

Short, thin, dark bill

Eastern Slaty 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.

Eastern Slaty 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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