Eastern Bluebird vs Wilson's Bird-of-paradise
Sialia sialis 比較対象 Cicinnurus respublica
Side-by-Side Comparison
| 属性 | Eastern Bluebird | Wilson's Bird-of-paradise |
|---|---|---|
| 学名 | Sialia sialis | Cicinnurus respublica |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Paradisaeidae |
| 保全状況 | Least Concern | Near Threatened |
| 体長 | 17.5 cm (6.9 in) | 16.0 cm (6.3 in) |
| 翼開長 | 27.0 cm (10.6 in) | 19.0 cm (7.5 in) |
| 体重 | 31.0 g (1.09 oz) | 55.0 g (1.94 oz) |
| 食性 | Insects in summer, berries in winter. Hunts from low perches, dropping to the ground to … | Fruit and insects gleaned from the forest canopy and subcanopy. Particularly favors figs. |
| 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.
Wilson's Bird-of-paradise
Lowland and hill forests on the small islands of Waigeo and Batanta in the Raja Ampat archipelago, Indonesia.
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.
Wilson's Bird-of-paradise
Male gives a harsh, nasal 'waah' or 'eeah' from display perch. Song is poorly documented in wild. Also produces mechanical rattling wing sounds during display flights.
Geographic Range & Migration
Eastern Bluebird
Eastern North America from southern Canada to Honduras and Nicaragua. Partially migratory.
Wilson's Bird-of-paradise
Endemic to the islands of Waigeo and Batanta off the northwestern tip of New Guinea, Indonesia.
保全状況
Eastern Bluebird
Wilson's Bird-of-paradise
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
Wilson's Bird-of-paradise
Males have a brilliant red back, yellow nape, turquoise blue bare crown, and green breast shield. Violet-blue curled tail wires. Females are brownish with bare blue crown.
Short, slightly curved greyish bill
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。
Wilson's Bird-of-paradise
Wilson's bird-of-paradise is one of the most extraordinarily colored birds on Earth. Males meticulously clear a patch of forest floor as a display court, removing every leaf and twig. The species was virtually unknown to science until the late 20th century due to its restricted island range.