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Side-by-Side Comparison

属性	Blue Jay	Javan Green Magpie
学名	Cyanocitta cristata	Cissa thalassina
目	Passeriformes	Passeriformes
科	Corvidae	Corvidae
保护状况	Least Concern	Critically Endangered
体长	28.0 cm (11.0 in)	—
翼展	42.0 cm (16.5 in)	27.9 cm (11.0 in)
体重	87.0 g (3.07 oz)	125.0 g (4.41 oz)
食性	Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other …	--
产卵数	2-7	1-2
Population Trend	—	—

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Size Comparison

Body Length

Blue Jay 28.0 cm

Javan Green Magpie —

翼展

Blue Jay 42.0 cm

Javan Green Magpie 27.9 cm

体重

Blue Jay 87.0 g

Javan Green Magpie 125.0 g

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Habitat Comparison

共同栖息地

🌲 Forest

Blue Jay only

无

Javan Green Magpie only

无

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

鸣唱

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.

Javan Green Magpie

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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.

Javan Green Magpie

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保护状况

Least Concern

Blue Jay

Critically Endangered

Javan Green Magpie

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How to Tell Them Apart

Blue Jay

羽毛

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

喙

Stout, straight black bill

Javan Green Magpie

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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.

Javan Green Magpie

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Related Comparisons

Blue Jay vs Eurasian Magpie

same-family

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