Eurasian Wren vs Mallard
Troglodytes troglodytes 比較対象 Anas platyrhynchos
Side-by-Side Comparison
| 属性 | Eurasian Wren | Mallard |
|---|---|---|
| 学名 | Troglodytes troglodytes | Anas platyrhynchos |
| 目 | Passeriformes | Anseriformes |
| 科 | Troglodytidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 9.5 cm (3.7 in) | 58.0 cm (22.8 in) |
| 翼開長 | 15.0 cm (5.9 in) | 90.0 cm (35.4 in) |
| 体重 | 9.0 g (0.32 oz) | 1100.0 g (38.80 oz) |
| 食性 | Insects and spiders, gleaned from dense vegetation, rock crevices, and bark. Active and restless forager. | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| 一腹卵数 | 3-9 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Eurasian Wren
Dense undergrowth in woodlands, gardens, hedgerows, and rocky areas. Prefers tangled vegetation close to the ground.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
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.
Mallard
Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.
Geographic Range & Migration
Eurasian Wren
Eurasia from Iceland and western Europe to Japan. The only wren species found outside the Americas.
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
保全状況
Eurasian Wren
Mallard
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
Mallard
Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.
Broad, flat bill — yellow-green in males, orange-brown in females
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。
Mallard
世界で最も一般的なカモ。雄は光沢のある緑色の頭、白い首輪、栗色の胸が特徴。体長50〜65cm。ほぼ世界中の湖、川、池、湿地に生息。雑食性で植物や無脊椎動物を食べる。多くの家禽カモの祖先。低危険種。