European Goldfinch vs Mandarin Duck
Carduelis carduelis 比較対象 Aix galericulata
Side-by-Side Comparison
| 属性 | European Goldfinch | Mandarin Duck |
|---|---|---|
| 学名 | Carduelis carduelis | Aix galericulata |
| 目 | Passeriformes | Anseriformes |
| 科 | Fringillidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | 13.0 cm (5.1 in) | 44.0 cm (17.3 in) |
| 翼開長 | 23.0 cm (9.1 in) | 70.0 cm (27.6 in) |
| 体重 | 16.0 g (0.56 oz) | 570.0 g (20.11 oz) |
| 食性 | Seeds, especially thistle (Carduus) and teasel seeds, extracted with its precise tweezer-like bill. Also takes … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 一腹卵数 | 4-6 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
European Goldfinch
Open woodland, orchards, gardens, parks, and weedy fields with seed-bearing plants. Common at garden bird feeders.
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
Song & Call Comparison
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.
Mandarin Duck
Male gives a low whistled 'hib' or 'weep'. Female utters a soft quacking 'kek'. Generally quiet and secretive. No loud territorial song; vocalizations subtle and brief.
Geographic Range & Migration
European Goldfinch
Europe, North Africa, and western Asia. Introduced to Australia, New Zealand, and parts of South America.
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
保全状況
European Goldfinch
Mandarin Duck
How to Tell Them Apart
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
Mandarin Duck
Breeding males have an elaborate pattern of orange, green, white, and purple with distinctive orange sail feathers on the back. Females are grey-brown with a white eye-ring and stripe.
Small red bill in breeding males, pinkish in females
About These Birds
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。
Mandarin Duck
オシドリ。東アジア原産の美しいカモ。雄は鮮やかなオレンジ色の「帆羽」と複雑な羽毛模様が特徴的。体長41〜49cm。森林の池や川に生息し、樹洞に巣を作る。ドングリや水草を食べる。低危険種。