Eastern Bluebird vs Andean Slaty Thrush
Sialia sialis 比較対象 Turdus nigriceps
Side-by-Side Comparison
| 属性 | Eastern Bluebird | Andean Slaty Thrush |
|---|---|---|
| 学名 | Sialia sialis | Turdus nigriceps |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Turdidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 17.5 cm (6.9 in) | — |
| 翼開長 | 27.0 cm (10.6 in) | 21.4 cm (8.4 in) |
| 体重 | 31.0 g (1.09 oz) | 53.61666666666667 g (1.89 oz) |
| 食性 | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … | -- |
| 一腹卵数 | 4-5 | 2-4 |
| 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.
Andean Slaty Thrush
Geographic Range & Migration
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
Andean Slaty Thrush
保全状況
Eastern Bluebird
Andean Slaty 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
Andean Slaty 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。
Andean Slaty Thrush
The Andean Slaty Thrush is a medium-sized thrush with a 21.4 cm wingspan, weighing around 54 grams. It inhabits humid montane forests along the Andes of South America. Males are dark slate-grey overall, while females are browner with streaked underparts.