Bluebird vs Blue Jay: How Different Are They

Bluebird vs Blue Jay: Similar blue feathers, but different families and behaviors. Bluebirds gentle, Jays loud and aggressive.

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Bluebirds: 3 species, deep blue with rust-colored breasts. Blue Jays: no sexual dimorphism, white wingbar, black necklace, prominent crest. Different body shapes and bills.

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Body & Shape

Bluebirds: 6.3-8.3" long, 0.8-1.1 oz. Blue Jays: 9.8-11.8" long, 2.5-3.5 oz. Blue Jays are larger.

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Size

Bluebirds: shorter wingspan (9.8-14.2 inches). Fly low, irregular beats. Blue Jays: longer wingspan (13.4-16.9 inches), level flight, regular strokes.

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Flight

Bluebirds live up to 10 years, Blue Jays up to 17, with the oldest Blue Jay recorded at 26 yrs, more than double the oldest bluebird.

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Age

Bluebirds and Blue Jays differ in behavior. Variations exist among bluebird species too. Keeping it concise due to 150 character limit.

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Bluebird vs Blue Jay Behavior

Blue Jays: loud, varied calls; mimicry. Bluebirds: soft warbling songs; distinct species calls.

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Vocalizations

Bluebirds: Eastern most social, Mountain least. Blue Jays: pair or family groups, migrate in flocks. Jays more aggressive.

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Sociality

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