Blue Jay vs オカメインコ
Cyanocitta cristata 比較対象 Nymphicus hollandicus
Side-by-Side Comparison
| 属性 | Blue Jay | オカメインコ |
|---|---|---|
| 学名 | Cyanocitta cristata | Nymphicus hollandicus |
| 目 | Passeriformes | Psittaciformes |
| 科 | Corvidae | Cacatuidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 28.0 cm (11.0 in) | 32.0 cm (12.6 in) |
| 翼開長 | 42.0 cm (16.5 in) | 40.0 cm (15.7 in) |
| 体重 | 87.0 g (3.07 oz) | 90.0 g (3.17 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | Seeds, grain, berries, and plant material. Forages on the ground in open areas. In captivity, … |
| 一腹卵数 | 2-7 | 1-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
オカメインコ
Open arid and semi-arid habitats including scrubland, farmland, and woodland near water in Australia.
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.
オカメインコ
A loud, whistled 'weet' or 'weeeet'. Males whistle a melodic series; contact call is a high nasal 'ny'. Capable of mimicry in captivity. Song is relatively simple but pleasant.
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
オカメインコ
Interior of Australia, generally avoiding coastal areas. The second most popular pet bird worldwide.
保全状況
Blue Jay
オカメインコ
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
オカメインコ
Wild-type males are grey with white wing patches, a yellow face, and bright orange cheek patches. Females are duller with barred tail undersides. Many captive color mutations exist.
Short, curved, grey 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。
オカメインコ
The cockatiel is the smallest member of the cockatoo family and one of the most popular pet birds globally. These gentle, intelligent parrots can learn to whistle tunes and mimic sounds. Wild cockatiels are nomadic, traveling in flocks following food and water availability across the Australian outback.