Blue Jay vs セキセイインコ
Cyanocitta cristata 比較対象 Melopsittacus undulatus
Side-by-Side Comparison
| 属性 | Blue Jay | セキセイインコ |
|---|---|---|
| 学名 | Cyanocitta cristata | Melopsittacus undulatus |
| 目 | Passeriformes | Psittaciformes |
| 科 | Corvidae | Psittaculidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 28.0 cm (11.0 in) | 18.0 cm (7.1 in) |
| 翼開長 | 42.0 cm (16.5 in) | 30.0 cm (11.8 in) |
| 体重 | 87.0 g (3.07 oz) | 30.0 g (1.06 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | Primarily grass seeds and other small seeds. In the wild, feeds on the ground in … |
| 一腹卵数 | 2-7 | 4-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
セキセイインコ
Open grasslands, scrublands, and woodland in the Australian interior. Nomadic, following rainfall and seeding events.
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.
セキセイインコ
A rising, chattering 'budgerigar' chatter: rapid series of 'chek-chek-chek' and melodic warbling. Enormous wild flocks produce a continuous roaring chorus. Good vocal mimics in captivity.
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
セキセイインコ
Interior of Australia, especially arid and semi-arid regions. One of the most popular pet birds worldwide.
保全状況
Blue Jay
セキセイインコ
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
セキセイインコ
Wild-type is green with yellow head and barred black scalloping on upperparts. Captive-bred varieties include blue, white, yellow, and many other colors.
Short, downward-curved, olive-grey bill typical of parakeets