Blue Jay vs Eurasian Magpie
Cyanocitta cristata 比較対象 Pica pica
Side-by-Side Comparison
| 属性 | Blue Jay | Eurasian Magpie |
|---|---|---|
| 学名 | Cyanocitta cristata | Pica pica |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Corvidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 28.0 cm (11.0 in) | 46.0 cm (18.1 in) |
| 翼開長 | 42.0 cm (16.5 in) | 56.0 cm (22.0 in) |
| 体重 | 87.0 g (3.07 oz) | 220.0 g (7.76 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | Omnivorous — insects, grains, berries, carrion, eggs, and nestlings. Caches surplus food for later retrieval. |
| 一腹卵数 | 2-7 | 2-8 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Eurasian Magpie
Open woodland, farmland, hedgerows, parks, and gardens. Common in suburban and urban environments across Eurasia.
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.
Eurasian Magpie
A harsh, rapid chattering 'chach-chach-chach'. Also gives a variety of whistles and clucking notes. Known to mimic other birds and sounds. Very vocal in pairs.
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
Eurasian Magpie
Europe, Asia, and northwest Africa. One of the most recognizable birds across the Palearctic region.
保全状況
Blue Jay
Eurasian Magpie
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
Eurasian Magpie
Bold black and white pattern with iridescent blue-green gloss on the wings and long graduated tail. White scapulars and flanks contrast with the black body.
Strong, straight black bill
Key Differences
- • Weight: Blue Jay (87g) vs Eurasian Magpie (220g)
- • Length: Blue Jay (28 cm) vs Eurasian Magpie (46 cm)
- • Wingspan: Blue Jay (42 cm) vs Eurasian Magpie (56 cm)
- • Habitat: Blue Jay prefers Deciduous and mixed forests, parks, and suburban areas. High; Eurasian Magpie prefers Open woodland, farmland, hedgerows, parks, and gardens. Comm
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。
Eurasian Magpie
動物で初めて鏡像認識テストに合格した非哺乳類の鳥。高い知性を持つカラス科の鳥。