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Side-by-Side Comparison

Attribut	Island Scrub-jay	Blue Jay
Nom scientifique	Aphelocoma insularis	Cyanocitta cristata
Ordre	Passeriformes	Passeriformes
Famille	Corvidae	Corvidae
Statut de conservation	Not Evaluated	Least Concern
Longueur	—	28,0 cm (11.0 in)
Envergure	—	42,0 cm (16.5 in)
Poids	115,75 g (4.08 oz)	87,0 g (3.07 oz)
Régime alimentaire	--	Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other …
Taille de la couvée	2-5	2-7
Population Trend	—	—

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Size Comparison

Body Length

Island Scrub-jay —

Blue Jay 28,0 cm

Envergure

Island Scrub-jay —

Blue Jay 42,0 cm

Poids

Island Scrub-jay 115,75 g

Blue Jay 87,0 g

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Habitat Comparison

Habitats partagés

🌲 Forest

Island Scrub-jay only

🏖️ Coastal

Blue Jay only

Aucun(e)

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

Chant

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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Statut de conservation

Not Evaluated

Island Scrub-jay

Least Concern

Blue Jay

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How to Tell Them Apart

Island Scrub-jay

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.

Bec

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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