Blue Jay vs Common Myna
Cyanocitta cristata 对比 Acridotheres tristis
Side-by-Side Comparison
| 属性 | Blue Jay | Common Myna |
|---|---|---|
| 学名 | Cyanocitta cristata | Acridotheres tristis |
| 目 | Passeriformes | Passeriformes |
| 科 | Corvidae | Sturnidae |
| 保护状况 | Least Concern | Least Concern |
| 体长 | 28.0 cm (11.0 in) | 25.0 cm (9.8 in) |
| 翼展 | 42.0 cm (16.5 in) | 38.0 cm (15.0 in) |
| 体重 | 87.0 g (3.07 oz) | 120.0 g (4.23 oz) |
| 食性 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | Omnivorous — insects, fruit, grain, and kitchen scraps. Bold and opportunistic around human settlements. |
| 产卵数 | 2-7 | 2-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Common Myna
Urban areas, farmland, and open woodland. Closely associated with humans and one of the most successful avian urban colonizers.
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 Myna
A noisy, cackling chatter and melodious whistling mixed together. An accomplished mimic of other birds and sounds. Gives repeated 'mee-ow' and harsh 'quarr' alarm calls.
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
Common Myna
Native to South and Southeast Asia. Introduced and invasive in Australia, South Africa, Middle East, and many Pacific islands.
保护状况
Blue Jay
Common Myna
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 Myna
Brown body with a glossy black hood, yellow bill, and bare yellow skin behind the eye. White wing patches conspicuous in flight. Yellow legs.
Strong, slightly curved yellow bill
About These Birds
Blue Jay
The blue jay is a bold, intelligent member of the corvid family known for its striking plumage and loud calls. Blue jays are important dispersers of oak trees, as they cache thousands of acorns each autumn. Their complex social behavior includes mimicking the calls of hawks to scare other birds from feeders.
Common Myna
家八哥（Acridotheres tristis）— 原产于南亚，已被引入世界各地的强适应性椋鸟科鸟类。黄色嘴和眼周黄色裸皮为特征。