Eastern Bluebird vs Grand Cayman Thrush
Sialia sialis 비교 대상 Turdus ravidus
Side-by-Side Comparison
| 속성 | Eastern Bluebird | Grand Cayman Thrush |
|---|---|---|
| 학명 | Sialia sialis | Turdus ravidus |
| 목 | Passeriformes | Passeriformes |
| 과 | Turdidae | Turdidae |
| 보전 상태 | Least Concern | Extinct |
| 체장 | 17.5 cm (6.9 in) | — |
| 날개 폭 | 27.0 cm (10.6 in) | — |
| 체중 | 31.0 g (1.09 oz) | — |
| 식성 | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … | -- |
| 산란 수 | 4-5 | -- |
| Population Trend | — | — |
Size Comparison
Body Length
Eastern Bluebird
17.5 cm
Grand Cayman Thrush
—
날개 폭
Eastern Bluebird
27.0 cm
Grand Cayman Thrush
—
체중
Eastern Bluebird
31.0 g
Grand Cayman Thrush
—
Habitat Comparison
Eastern Bluebird
Open woodland, farmland edges, orchards, and parks with scattered trees and open ground. Readily uses nest boxes.
Song & Call Comparison
Eastern Bluebird
노래
A rich, melodious warbled 'chur-wi, tur-a-lee' song. Both sexes sing. Call is a soft, musical 'turee'. Song is gentle and flute-like, suggesting a small thrush. Given from exposed perch.
Grand Cayman Thrush
Geographic Range & Migration
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
Grand Cayman Thrush
보전 상태
Least Concern
Eastern Bluebird
Extinct
Grand Cayman Thrush
How to Tell Them Apart
Eastern Bluebird
깃털
Males are vivid royal blue above with a rusty-red breast and white belly. Females are grey-blue with a paler rust breast.
부리
Short, thin, dark bill
Grand Cayman Thrush
About These Birds
Eastern Bluebird
동부파랑새는 북미에서 행복의 상징으로 사랑받는 새이다. 한때 농약과 집 짓기 경쟁으로 급감했지만, 둥지 박스 설치 운동 덕분에 개체군이 크게 회복되었다. 수컷은 짙은 파란 윗면과 녹슨 붉은 가슴을 자랑한다.