Mandarin Duck vs Orinoco Goose
Aix galericulata 비교 대상 Neochen jubata
Side-by-Side Comparison
| 속성 | Mandarin Duck | Orinoco Goose |
|---|---|---|
| 학명 | Aix galericulata | Neochen jubata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Near Threatened |
| 체장 | 44.0 cm (17.3 in) | — |
| 날개 폭 | 70.0 cm (27.6 in) | 59.6 cm (23.5 in) |
| 체중 | 570.0 g (20.11 oz) | 1558.0 g (54.96 oz) |
| 식성 | Seeds, acorns, grains, aquatic plants, insects, snails, and small fish. Forages by dabbling, walking, and … | Eats grasses, seeds, and aquatic invertebrates; grazes wetland margins; takes molluscs and crustaceans in shallow … |
| 산란 수 | 7-14 | 6-10 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mandarin Duck
Wooded lakes, rivers, and ponds surrounded by dense forest. Unlike most ducks, regularly perches in trees and nests in tree cavities.
Orinoco Goose
Tropical rivers, river islands, sandy beaches, and adjacent gallery forest in the Amazon and Orinoco basins. Nests in tree cavities or on the ground near rivers. Associated with braided river channels.
Song & Call Comparison
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.
Orinoco Goose
A nasal 'honk-honk' call. Less frequently encountered than other South American waterfowl; calls from gallery forest beside major Orinoco tributaries during the breeding season.
Geographic Range & Migration
Mandarin Duck
Native to East Asia including eastern Russia, China, Japan, and Korea. Feral populations established in Britain and western Europe.
Orinoco Goose
Bred on Amsterdam Island and possibly other sub-Antarctic islets. Extinct; flightless and confined to one small island.
보전 상태
Mandarin Duck
Orinoco Goose
How to Tell Them Apart
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
Orinoco Goose
Pale cream-buff head and neck; chestnut-brown breast and flanks. Back dark brown; belly pale cream. Wings with iridescent green speculum and white inner secondaries. Bill dark; legs reddish-orange. Sexes similar.
About These Birds
Mandarin Duck
중간 크기의 아름다운 오리로 체장 41–49cm이며, 수컷은 오렌지색 볏, 녹색과 보라색 관, 흰색 눈썹, 청동색 옆구리가 화려하게 어우러진 깃털을 갖는다. 동아시아 산지 숲 속 호수와 하천에 서식하며, 유럽과 북아메리카에도 도입되었다. 견과류, 씨앗, 수생식물을 먹는다. 관심 필요 종이다.
Orinoco Goose
A pale-headed chestnut-and-white goose-like bird with a narrow dark mane on the neck. Found on tropical river islands and forest-edge wetlands of the Amazon and Orinoco basins. Perches prominently in trees. Monogamous with strong territorial behavior.