Island Scrub-jay vs Blue Jay
Aphelocoma insularis 비교 대상 Cyanocitta cristata
Side-by-Side Comparison
| 속성 | Island Scrub-jay | Blue Jay |
|---|---|---|
| 학명 | Aphelocoma insularis | Cyanocitta cristata |
| 목 | Passeriformes | Passeriformes |
| 과 | Corvidae | Corvidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | 28.0 cm (11.0 in) |
| 날개 폭 | — | 42.0 cm (16.5 in) |
| 체중 | 115.75 g (4.08 oz) | 87.0 g (3.07 oz) |
| 식성 | -- | Omnivorous — nuts (especially acorns), seeds, berries, insects, and occasionally eggs or nestlings of other … |
| 산란 수 | 2-5 | 2-7 |
| Population Trend | — | — |
Size Comparison
Body Length
Island Scrub-jay
—
Blue Jay
28.0 cm
날개 폭
Island Scrub-jay
—
Blue Jay
42.0 cm
체중
Island Scrub-jay
115.75 g
Blue Jay
87.0 g
Habitat Comparison
Blue Jay
Deciduous and mixed forests, parks, and suburban areas. Highly adaptable to human-modified landscapes.
Song & Call Comparison
Island Scrub-jay
Blue Jay
노래
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.
Geographic Range & Migration
Island Scrub-jay
Blue Jay
Eastern and central North America from southern Canada to the Gulf Coast. Some populations migrate irregularly.
보전 상태
Not Evaluated
Island Scrub-jay
Least Concern
Blue Jay
How to Tell Them Apart
Island Scrub-jay
Blue Jay
깃털
Bright blue upperparts with black barring on the wings and tail. White face and underparts with a black necklace. Prominent blue crest.
부리
Stout, straight black bill
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.