Eurasian Wren vs European Roller
Troglodytes troglodytes 比較対象 Coracias garrulus
Side-by-Side Comparison
| 属性 | Eurasian Wren | European Roller |
|---|---|---|
| 学名 | Troglodytes troglodytes | Coracias garrulus |
| 目 | Passeriformes | Coraciiformes |
| 科 | Troglodytidae | Coraciidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 9.5 cm (3.7 in) | 31.0 cm (12.2 in) |
| 翼開長 | 15.0 cm (5.9 in) | 66.0 cm (26.0 in) |
| 体重 | 9.0 g (0.32 oz) | 130.0 g (4.59 oz) |
| 食性 | Insects and spiders, gleaned from dense vegetation, rock crevices, and bark. Active and restless forager. | Large insects, especially beetles, grasshoppers, and crickets. Also takes small reptiles, frogs, and scorpions. Hunts … |
| 一腹卵数 | 3-9 | 3-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Eurasian Wren
Dense undergrowth in woodlands, gardens, hedgerows, and rocky areas. Prefers tangled vegetation close to the ground.
European Roller
Warm, dry, open country with scattered trees and nest holes. Breeds in tree cavities, earth banks, and nest boxes.
Song & Call Comparison
Eurasian Wren
Extraordinarily loud for its tiny size: a rapid, powerful stream of trills, buzzes, and churring phrases. One of Europe's loudest songs by volume relative to body weight.
European Roller
A harsh, grating 'rack-rack' or 'quarrk' in flight. Gives a variety of sharp nasal calls at the nest. Not melodic; primary vocalizations are alarm and contact calls.
Geographic Range & Migration
Eurasian Wren
Eurasia from Iceland and western Europe to Japan. The only wren species found outside the Americas.
European Roller
Southern and eastern Europe, Central Asia, and North Africa. Winters in sub-Saharan Africa.
保全状況
Eurasian Wren
European Roller
How to Tell Them Apart
Eurasian Wren
Warm rufous-brown upperparts with fine dark barring. Pale buffy underparts with barred flanks. Short, often cocked tail.
Thin, slightly curved, dark brown bill
European Roller
Turquoise-blue head, breast, and tail. Chestnut-brown back. Vivid ultramarine blue and black wing patches visible in flight.
Short, stout, dark hooked bill
About These Birds
Eurasian Wren
ヨーロッパ最小クラスの鳥の一つで、体の大きさに不釣り合いな大きな声で鳴く。民話では鳥の王様とされる。
European Roller
ヨーロッパで最も色彩豊かな鳥の一つで、求愛時にローリングと呼ばれる独特の空中飛翔を行う。