Eastern Bluebird vs Ashy Thrush
Sialia sialis 比較対象 Geokichla cinerea
Side-by-Side Comparison
| 属性 | Eastern Bluebird | Ashy Thrush |
|---|---|---|
| 学名 | Sialia sialis | Geokichla cinerea |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Turdidae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | 17.5 cm (6.9 in) | — |
| 翼開長 | 27.0 cm (10.6 in) | 22.8 cm (9.0 in) |
| 体重 | 31.0 g (1.09 oz) | 63.0 g (2.22 oz) |
| 食性 | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … | -- |
| 一腹卵数 | 4-5 | -- |
| Population Trend | — | — |
Size Comparison
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
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.
Ashy Thrush
Geographic Range & Migration
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
Ashy Thrush
保全状況
Eastern Bluebird
Ashy Thrush
How to Tell Them Apart
Eastern Bluebird
Males are vivid royal blue above with a rusty-red breast and white belly. Females are grey-blue with a paler rust breast.
Short, thin, dark bill
Ashy Thrush
About These Birds
Eastern Bluebird
北米に生息するヒタキで、青い上面とオレンジ色の胸を持つ。巣箱の設置プログラムにより個体数が回復した。
Ashy Thrush
The Ashy Thrush is a Vulnerable thrush endemic to the Philippines, found in the forest understory of Luzon and a few adjacent islands. Weighing about 63g with a wingspan near 22.8cm, it has predominantly grey plumage with scaled underparts. Continuing forest loss on its island range poses a significant threat.