American Robin vs European Goldfinch
Turdus migratorius 比較対象 Carduelis carduelis
Side-by-Side Comparison
| 属性 | American Robin | European Goldfinch |
|---|---|---|
| 学名 | Turdus migratorius | Carduelis carduelis |
| 目 | Passeriformes | Passeriformes |
| 科 | Turdidae | Fringillidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 25.0 cm (9.8 in) | 13.0 cm (5.1 in) |
| 翼開長 | 36.0 cm (14.2 in) | 23.0 cm (9.1 in) |
| 体重 | 77.0 g (2.72 oz) | 16.0 g (0.56 oz) |
| 食性 | Earthworms, insects, and fruit. Famously hunts earthworms on lawns by running, stopping, and tilting its … | Seeds, especially thistle (Carduus) and teasel seeds, extracted with its precise tweezer-like bill. Also takes … |
| 一腹卵数 | 2-4 | 4-6 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
American Robin
Lawns, parks, gardens, farmland, and forest edges. One of the most familiar birds in suburban North America.
European Goldfinch
Open woodland, orchards, gardens, parks, and weedy fields with seed-bearing plants. Common at garden bird feeders.
Song & Call Comparison
American Robin
A clear, caroling song of 2-3 note phrases: 'cheerily, cheer-up, cheerio'. Sings from dawn perches. Sharp 'tut-tut-tut' alarm call and thin 'seeee' flight note.
European Goldfinch
A liquid, tinkling 'swit-swit-swit' in flight and a melodic twittering song. Flocks produce a bright jingling chorus. Male song is a sweet repetitive warble incorporating the flight call.
Geographic Range & Migration
American Robin
North America from Alaska and Canada to Mexico. Northern populations migrate south in winter; southern populations are largely resident.
European Goldfinch
Europe, North Africa, and western Asia. Introduced to Australia, New Zealand, and parts of South America.
保全状況
American Robin
European Goldfinch
How to Tell Them Apart
American Robin
Dark grey-brown upperparts with a warm brick-red breast and belly. White eye-ring and streaked white throat. Female slightly paler.
Bright yellow bill with a dark tip
European Goldfinch
Crimson red face with white cheeks and a black crown. Sandy-brown back with a bright yellow wing bar visible in flight. Black and white tail.
Slender, pointed, ivory-pink bill adapted for extracting seeds from thistles
About These Birds
American Robin
北米全域に分布し、春の訪れを告げる鳥として知られるツグミ（体長23〜28cm）。オレンジ色の腹と黒い頭部が特徴的。Turdus migratorius（アメリカコマツグミ）は北米最も親しまれた野鳥の一つで、芝生でミミズを引き抜く姿が日常風景として親しまれている。連邦政府と各州で厳重に保護されており、3州の州鳥に指定されている。Turdidae科。
European Goldfinch
ルネサンス絵画に頻繁に描かれたヒワで、「チャーム」（魅力）と呼ばれる群れを形成する。