Kelp Goose vs Mallard
Chloephaga hybrida 비교 대상 Anas platyrhynchos
Side-by-Side Comparison
| 속성 | Kelp Goose | Mallard |
|---|---|---|
| 학명 | Chloephaga hybrida | Anas platyrhynchos |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | 58.0 cm (22.8 in) |
| 날개 폭 | 71.6 cm (28.2 in) | 90.0 cm (35.4 in) |
| 체중 | 2735.0 g (96.47 oz) | 1100.0 g (38.80 oz) |
| 식성 | -- | Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … |
| 산란 수 | 3-7 | 4-18 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Kelp Goose
Rocky wave-washed shores, sea channels, and kelp-fringed coasts of Patagonian Chile and Argentina south to Tierra del Fuego, and the Falkland Islands. Strictly coastal; almost never moves inland.
Mallard
Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.
Song & Call Comparison
Kelp Goose
A loud, nasal 'honk'. Male is mostly white and gives sharper calls; female is dark and gives softer, lower honks. Coastal Patagonian and Falklands habitat; highly vocal.
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
Kelp Goose
Mallard
Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.
보전 상태
Kelp Goose
Mallard
How to Tell Them Apart
Kelp Goose
Extreme dimorphism. Males entirely white with yellow bill and legs. Females dark brown barred white overall; yellow legs. Coastal species of rocky shores. Sexes so different they were once considered …
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
Kelp Goose
성별 이형이 뚜렷한 쉘드거위: 수컷은 전체 흰색; 암컷은 갈색-흰색 줄무늬. 포클랜드 제도와 남아메리카 최남단 해안 서식. 풀 섭취.
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.