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Side-by-Side Comparison

คุณสมบัติ	Island Scrub-jay	Blue Jay
ชื่อวิทยาศาสตร์	Aphelocoma insularis	Cyanocitta cristata
อันดับ	Passeriformes	Passeriformes
วงศ์ตระกูล	Corvidae	Corvidae
สถานะการอนุรักษ์	Not Evaluated	Least Concern
ความยาว	—	28.0 cm (11.0 in)
กว้างปีก	—	42.0 cm (16.5 in)
น้ำหนัก	115.75 g (4.08 oz)	87.0 g (3.07 oz)
อาหาร	--	Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other …
จำนวนไข่	2-5	2-7
Population Trend	—	—

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Size Comparison

Body Length

Island Scrub-jay —

Blue Jay 28.0 cm

กว้างปีก

Island Scrub-jay —

Blue Jay 42.0 cm

น้ำหนัก

Island Scrub-jay 115.75 g

Blue Jay 87.0 g

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Habitat Comparison

ถิ่นที่อยู่อาศัยร่วมกัน

🌲 Forest

Island Scrub-jay only

🏖️ Coastal

Blue Jay only

ไม่มี

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

เสียงร้อง

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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สถานะการอนุรักษ์

Not Evaluated

Island Scrub-jay

Least Concern

Blue Jay

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How to Tell Them Apart

Island Scrub-jay

Blue Jay

ขนนก

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

ปาก

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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