Tundra Bean Goose vs Mallard
Anser serrirostris 비교 대상 Anas platyrhynchos
Side-by-Side Comparison
| 속성 | Tundra Bean Goose | Mallard |
|---|---|---|
| 학명 | Anser serrirostris | Anas platyrhynchos |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Not Evaluated | Least Concern |
| 체장 | — | 58.0 cm (22.8 in) |
| 날개 폭 | — | 90.0 cm (35.4 in) |
| 체중 | 2540.0 g (89.60 oz) | 1100.0 g (38.80 oz) |
| 식성 | -- | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| 산란 수 | 3-8 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Tundra Bean Goose
Breeds on Arctic and subarctic tundra in Siberia. Winters on agricultural land, river floodplains, and wetlands in eastern China, Japan, and Korea, with some wintering in western Europe.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
Tundra Bean Goose
A nasal, lower call compared to Taiga Bean Goose. Considered subspecifically or specifically distinct; vocalizations are an active taxonomic tool for separation in mixed flocks.
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
Tundra Bean Goose
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
보전 상태
Tundra Bean Goose
Mallard
How to Tell Them Apart
Tundra Bean Goose
Dark brown head and neck; grayish-brown back with pale feather fringing. Underparts pale gray-brown. Orange-yellow legs. Bill black with orange subterminal band. Recently split from Taiga Bean Goose.
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
Tundra Bean Goose
두꺼운부리 기러기는 시베리아와 캄차카에서 번식하고 중국에서 월동합니다. 이전에 콩 기러기의 아종으로 분류되었으며, 더 크고 두꺼운 부리와 다른 울음소리로 구별됩니다.
Mallard
가장 잘 알려진 야생 오리로 체장 50–65cm이며, 수컷은 광택 있는 녹색 머리와 노란 부리, 자주빛 갈색 가슴, 흰색 목 고리를 갖는다. 북반구 전역과 호주에 귀화하여 온대 내지 아열대 습지, 호수, 강, 도시 공원에 서식한다. 잡식성으로 식물, 곤충, 작은 어류를 먹는다. 관심 필요 종이다.