Blue Jay vs Demoiselle Crane
Cyanocitta cristata 비교 대상 Anthropoides virgo
Side-by-Side Comparison
| 속성 | Blue Jay | Demoiselle Crane |
|---|---|---|
| 학명 | Cyanocitta cristata | Anthropoides virgo |
| 목 | Passeriformes | Gruiformes |
| 과 | Corvidae | Gruidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | 28.0 cm (11.0 in) | 90.0 cm (35.4 in) |
| 날개 폭 | 42.0 cm (16.5 in) | 175.0 cm (68.9 in) |
| 체중 | 87.0 g (3.07 oz) | 2500.0 g (88.18 oz) |
| 식성 | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … | Seeds, grasses, insects, snails, worms, and small vertebrates. Forages in grasslands and agricultural fields. |
| 산란 수 | 2-7 | 2 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Demoiselle Crane
Dry grasslands, savannas, and semi-desert. Nests on the ground in open country, often near water. Winters in agricultural fields.
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.
Demoiselle Crane
A high-pitched, bugling 'karr-r-r' in flight. Also gives softer clucking and purring contact calls. Migrating flocks produce a continuous musical babbling audible from great distance.
Geographic Range & Migration
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
Demoiselle Crane
Central Eurasia from the Black Sea to Mongolia and northeastern China. Winters in India and sub-Saharan Africa.
보전 상태
Blue Jay
Demoiselle Crane
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
Demoiselle Crane
Pale blue-grey body with a black head, neck, and breast plumes. White ear tufts extend behind the red eyes. Long black tertials drape over the tail.
Short, yellowish-olive bill, shorter than other cranes
About These Birds
Blue Jay
어치는 화려한 깃털과 큰 울음소리로 알려진 까마귀과의 대담하고 지능적인 구성원입니다. 가을마다 수천 개의 도토리를 저장하기 때문에 참나무 나무의 중요한 산포자입니다. 복잡한 사회 행동으로 먹이통에서 다른 새들을 겁주기 위해 매의 울음소리를 흉내 내기도 합니다.
Demoiselle Crane
쇠두루미는 가장 작은 두루미 종이지만 가장 혹독한 이동을 하며, 해발 8,000m 이상의 히말라야를 넘어 인도의 월동지로 향한다. 우아한 외모로 마리 앙투아네트에게 명명되었으며 세계에서 두 번째로 풍부한 두루미 종이다.