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Side-by-Side Comparison

السمة	Island Scrub-jay	Blue Jay
الاسم العلمي	Aphelocoma insularis	Cyanocitta cristata
الرتبة	Passeriformes	Passeriformes
الفصيلة	Corvidae	Corvidae
حالة الحفاظ	Not Evaluated	Least Concern
الطول	—	28,0 cm (11.0 in)
طول الجناح	—	42,0 cm (16.5 in)
الوزن	115,75 g (4.08 oz)	87,0 g (3.07 oz)
النظام الغذائي	--	Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other …
عدد البيض في الوضع	2-5	2-7
Population Trend	—	—

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Size Comparison

Body Length

Island Scrub-jay —

Blue Jay 28,0 cm

طول الجناح

Island Scrub-jay —

Blue Jay 42,0 cm

الوزن

Island Scrub-jay 115,75 g

Blue Jay 87,0 g

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Habitat Comparison

الموائل المشتركة

🌲 Forest

Island Scrub-jay only

🏖️ Coastal

Blue Jay only

بلا

Blue Jay

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

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Song & Call Comparison

Island Scrub-jay

Blue Jay

الغناء

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.

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Geographic Range & Migration

Island Scrub-jay

Blue Jay

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

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حالة الحفاظ

Not Evaluated

Island Scrub-jay

Least Concern

Blue Jay

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How to Tell Them Apart

Island Scrub-jay

Blue Jay

الريش

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

المنقار

Stout, straight black bill

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About These Birds

Island Scrub-jay

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.

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Related Comparisons

Blue Jay vs Eurasian Magpie

same-family

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