Blue Jay vs Common Nightingale
Cyanocitta cristata 比較対象 Luscinia megarhynchos
Side-by-Side Comparison
| 属性 | Blue Jay | Common Nightingale |
|---|---|---|
| 学名 | Cyanocitta cristata | Luscinia megarhynchos |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Muscicapidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 28.0 cm (11.0 in) | 16.5 cm (6.5 in) |
| 翼開長 | 42.0 cm (16.5 in) | 25.0 cm (9.8 in) |
| 体重 | 87.0 g (3.07 oz) | 21.0 g (0.74 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | Insects and larvae, supplemented with berries in autumn. Forages on or near the ground in … |
| 一腹卵数 | 2-7 | 4-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Common Nightingale
Dense thickets, scrub, and undergrowth in deciduous woodland. Prefers areas with thick ground cover near water.
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.
Common Nightingale
Considered Europe's finest songster: an extraordinarily rich, loud, flute-like melody of bubbling trills, slow whistles, and a distinctive crescendo 'lu-lu-lu'. Sings day and night.
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
Common Nightingale
Breeds in Europe and western Asia. Winters in sub-Saharan Africa. A long-distance migrant crossing the Sahara.
保全状況
Blue Jay
Common Nightingale
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
Common Nightingale
Plain warm brown upperparts with a rufous-chestnut tail. Pale greyish-white underparts. Unremarkable appearance belies its remarkable voice.
Thin, pointed, dark brown 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。
Common Nightingale
サヨナキドリ（Luscinia megarhynchos）— ヨーロッパ・中央アジアに分布し、アフリカで越冬する。夜間にも聴こえる複雑で豊かな歌声で知られる。