Blue Jay vs Northern Cardinal
Cyanocitta cristata 比較対象 Cardinalis cardinalis
Side-by-Side Comparison
| 属性 | Blue Jay | Northern Cardinal |
|---|---|---|
| 学名 | Cyanocitta cristata | Cardinalis cardinalis |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Cardinalidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 28.0 cm (11.0 in) | 22.0 cm (8.7 in) |
| 翼開長 | 42.0 cm (16.5 in) | 30.0 cm (11.8 in) |
| 体重 | 87.0 g (3.07 oz) | 44.0 g (1.55 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | Seeds, grains, fruits, and insects. Especially fond of sunflower seeds at bird feeders. Feeds mainly … |
| 一腹卵数 | 2-7 | 1-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Northern Cardinal
Woodland edges, thickets, gardens, and suburban areas. Prefers dense shrubby habitats for nesting.
Song & Call Comparison
Blue Jay
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.
Northern Cardinal
Loud, clear whistled phrases: 'cheer-cheer-cheer' and 'birdy-birdy-birdy'. Both male and female sing; female song is softer. Alarm is a sharp metallic 'chink'.
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
Northern Cardinal
Eastern and central North America from southern Canada to Mexico and Guatemala. Expanding range northward.
保全状況
Blue Jay
Northern Cardinal
How to Tell Them Apart
Blue Jay
Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.
Stout, straight black bill
Northern Cardinal
Males are brilliant crimson red overall with a black face mask. Females are warm buffy brown with reddish tinges on wings, crest, and tail.
Thick, conical, bright orange-red bill
About These Birds
Blue Jay
アオカケスは鮮やかな羽毛と大きな鳴き声で知られるカラス科の大胆で知能が高い鳥。アオカケスは毎秋数千個のドングリを蓄えることでカシの木の重要な散布者となっている。複雑な社会的行動には、給餌器から他の鳥を追い払うためにタカの声を真似ることも含まれる。
Northern Cardinal
The northern cardinal is the state bird of seven US states, more than any other species. Unlike many songbirds, both males and females sing, often in duets. Cardinals do not migrate and their brilliant red plumage against winter snow makes them a favorite among backyard birdwatchers.