Blue Jay vs Bornean Black Magpie
Cyanocitta cristata 比較対象 Platysmurus aterrimus
Side-by-Side Comparison
| 属性 | Blue Jay | Bornean Black Magpie |
|---|---|---|
| 学名 | Cyanocitta cristata | Platysmurus aterrimus |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 28.0 cm (11.0 in) | — |
| 翼開長 | 42.0 cm (16.5 in) | 35.9 cm (14.1 in) |
| 体重 | 87.0 g (3.07 oz) | 180.0 g (6.35 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | -- |
| 一腹卵数 | 2-7 | 2-3 |
| Population Trend | — | — |
Size Comparison
Body Length
Blue Jay
28.0 cm
Bornean Black Magpie
—
翼開長
Blue Jay
42.0 cm
Bornean Black Magpie
35.9 cm
体重
Blue Jay
87.0 g
Bornean Black Magpie
180.0 g
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Song & Call Comparison
Blue Jay
さえずり
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.
Bornean Black Magpie
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
Bornean Black Magpie
保全状況
Least Concern
Blue Jay
Least Concern
Bornean Black Magpie
How to Tell Them Apart
Blue Jay
羽毛
Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.
くちばし
Stout, straight black bill
Bornean Black Magpie
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。