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Side-by-Side Comparison

Attribute	Blue Jay	Eurasian Jay
Scientific Name	Cyanocitta cristata	Garrulus glandarius
Order	Passeriformes	Passeriformes
Family	Corvidae	Corvidae
Conservation Status	Least Concern	Least Concern
Length	28.0 cm (11.0 in)	—
Wingspan	42.0 cm (16.5 in)	36.2 cm (14.3 in)
Weight	87.0 g (3.07 oz)	161.33333333333334 g (5.69 oz)
Diet	Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other …	--
Clutch Size	2-7	3-10
Population Trend	—	—

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Size Comparison

Body Length

Blue Jay 28.0 cm

Eurasian Jay —

Wingspan

Blue Jay 42.0 cm

Eurasian Jay 36.2 cm

Weight

Blue Jay 87.0 g

Eurasian Jay 161.33333333333334 g

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Habitat Comparison

Shared Habitats

🌲 Forest

Blue Jay only

None

Eurasian Jay only

None

Blue Jay

Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.

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Song & Call Comparison

Blue Jay

Song

A harsh, ringing 'jaay-jaay-jaay'. Also mimics Red-tailed Hawk and other species convincingly. Gives soft, liquid 'bell' calls and gurgling whispers in flocks.

Eurasian Jay

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Geographic Range & Migration

Blue Jay

Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.

Eurasian Jay

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Conservation Status

Least Concern

Blue Jay

Least Concern

Eurasian Jay

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How to Tell Them Apart

Blue Jay

Plumage

Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.

Bill

Stout, straight black bill

Eurasian Jay

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About These Birds

Blue Jay

The blue jay is a bold, intelligent member of the corvid family known for its striking plumage and loud calls. Blue jays are important dispersers of oak trees, as they cache thousands of acorns each autumn. Their complex social behavior includes mimicking the calls of hawks to scare other birds from feeders.

Eurasian Jay

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Related Comparisons

Blue Jay vs Eurasian Magpie

same-family

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