Canada Goose vs Mandarin Duck
Branta canadensis 比較対象 Aix galericulata
Side-by-Side Comparison
| 属性 | Canada Goose | Mandarin Duck |
|---|---|---|
| 学名 | Branta canadensis | Aix galericulata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 44.0 cm (17.3 in) |
| 翼開長 | 84.6 cm (33.3 in) | 70.0 cm (27.6 in) |
| 体重 | 4906.599999999999 g (173.08 oz) | 570.0 g (20.11 oz) |
| 食性 | Grazes aquatic vegetation and grasses in Arctic tundra; migrates south to winter on estuaries eating … | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … |
| 一腹卵数 | 1-8 | 7-14 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Canada Goose
Lakes, rivers, ponds, parks, golf courses, agricultural fields, and coastal marshes across North America. Breeds on ground near water. Many populations now resident year-round in temperate urban areas.
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
Canada Goose
A loud, resonant 'a-honk' or 'hrr-onk'. Flocks produce a constant clamoring honk during migration. Also gives softer cackling contact calls. One of the most recognizable bird sounds.
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
Canada Goose
Breeds across Canada and Alaska; winters from the contiguous US to northern Mexico. Introduced populations resident in Europe and New Zealand.
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
Canada Goose
Mandarin Duck
How to Tell Them Apart
Canada Goose
Black head and long neck with bold white chin strap. Back and wings brown-gray; underparts pale tan to white on belly. White undertail coverts. Tail black. Large and familiar; sexes …
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
Canada Goose
北米で最もよく知られる大型のガン（体長75〜110cm）。黒い頭・首と白い頬のパッチが特徴的。Branta canadensis（カナダガン）はヨーロッパ、ニュージーランド、オーストラリアにも外来種として定着し、都市の公園や農地で問題になることがある。強い絆を持つつがいで繁殖し、V字形の隊列で渡りをする。Anatidae科。
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。