Common Nightingale vs Eastern Bluebird
Luscinia megarhynchos 比較対象 Sialia sialis
Side-by-Side Comparison
| 属性 | Common Nightingale | Eastern Bluebird |
|---|---|---|
| 学名 | Luscinia megarhynchos | Sialia sialis |
| 目 | Passeriformes | Passeriformes |
| 科 | Muscicapidae | Turdidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 16.5 cm (6.5 in) | 17.5 cm (6.9 in) |
| 翼開長 | 25.0 cm (9.8 in) | 27.0 cm (10.6 in) |
| 体重 | 21.0 g (0.74 oz) | 31.0 g (1.09 oz) |
| 食性 | Insects and larvae, supplemented with berries in autumn. Forages on or near the ground in … | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … |
| 一腹卵数 | 4-5 | 4-5 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Common Nightingale
Dense thickets, scrub, and undergrowth in deciduous woodland. Prefers areas with thick ground cover near water.
Eastern Bluebird
Open woodland, farmland edges, orchards, and parks with scattered trees and open ground. Readily uses nest boxes.
Song & Call Comparison
Common Nightingale
Considered Europe's finest songster: an extraordinarily rich, loud, flute-like melody of bubbling trills, slow whistles, and a distinctive crescendo 'lu-lu-lu'. Sings day and night.
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.
Geographic Range & Migration
Common Nightingale
Breeds in Europe and western Asia. Winters in sub-Saharan Africa. A long-distance migrant crossing the Sahara.
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
保全状況
Common Nightingale
Eastern Bluebird
How to Tell Them Apart
Common Nightingale
Plain warm brown upperparts with a rufous-chestnut tail. Pale greyish-white underparts. Unremarkable appearance belies its remarkable voice.
Thin, pointed, dark brown bill
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
About These Birds
Common Nightingale
サヨナキドリ(Luscinia megarhynchos)— ヨーロッパ・中央アジアに分布し、アフリカで越冬する。夜間にも聴こえる複雑で豊かな歌声で知られる。
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。