Blue Jay vs Black-throated Magpie-jay

Cyanocitta cristata compared with Cyanocorax colliei

Side-by-Side Comparison

Attribute Blue Jay Black-throated Magpie-jay
Scientific Name Cyanocitta cristata Cyanocorax colliei
Order Passeriformes Passeriformes
Family Corvidae Corvidae
Conservation Status Least Concern Least Concern
Length 28.0 cm (11.0 in)
Wingspan 42.0 cm (16.5 in) 41.8 cm (16.5 in)
Weight 87.0 g (3.07 oz) 233.5 g (8.24 oz)
Diet Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … --
Clutch Size 2-7 1-7
Population Trend

Size Comparison

Body Length
Blue Jay 28.0 cm
Black-throated Magpie-jay
Wingspan
Blue Jay 42.0 cm
Black-throated Magpie-jay 41.8 cm
Weight
Blue Jay 87.0 g
Black-throated Magpie-jay 233.5 g

Habitat Comparison

Shared Habitats

Blue Jay only

None

Black-throated Magpie-jay only

None

Blue Jay

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

Song & Call Comparison

Blue Jay

Song

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.

Black-throated Magpie-jay

Geographic Range & Migration

Blue Jay

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

Black-throated Magpie-jay

Conservation Status

Least Concern

Blue Jay

Least Concern

Black-throated Magpie-jay

How to Tell Them Apart

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.

Bill

Stout, straight black bill

Black-throated Magpie-jay

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.

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