Canada Goose vs Wandering Whistling-duck
Branta canadensis 비교 대상 Dendrocygna arcuata
Side-by-Side Comparison
| 속성 | Canada Goose | Wandering Whistling-duck |
|---|---|---|
| 학명 | Branta canadensis | Dendrocygna arcuata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 84.6 cm (33.3 in) | 37.2 cm (14.6 in) |
| 체중 | 4906.599999999999 g (173.08 oz) | 779.5 g (27.50 oz) |
| 식성 | Grazes aquatic vegetation and grasses in Arctic tundra; migrates south to winter on estuaries eating … | Eats grasses, sedges, and aquatic plants in tundra; winter diet of coastal salt marsh grasses … |
| 산란 수 | 1-8 | 6-15 |
| Population Trend | — | — |
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.
Wandering Whistling-duck
Tropical freshwater marshes, flooded grasslands, swamps, and lake margins from the Philippines and Indonesia through Papua New Guinea to northern and eastern Australia. Nomadic following wet season flooding.
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.
Wandering Whistling-duck
A soft whistle 'whi-whi-whi' in flight. Less vocal than other whistling-ducks; flocks tend to be quieter. Given at dawn and dusk during flight to roosting or feeding areas.
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.
Wandering Whistling-duck
Breeds in Arctic and subarctic regions; winters at sea around the Antarctic pack ice, one of the longest migrations known.
보전 상태
Canada Goose
Wandering Whistling-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 …
Wandering Whistling-duck
Rich chestnut-brown head and neck; dark brown back. Flanks rufous with pale buff streaks and dark spots. Belly blackish. Long, dark pinkish legs. Upright posture typical of whistling-ducks. Sexes similar.
About These Birds
Canada Goose
검은 머리와 목, 흰 턱끈 반점, 갈색 몸통, 흰 아래꼬리를 가진 친숙한 큰 기러기입니다. 북미에서 가장 넓게 분포하는 기러기입니다. 적응력 덕분에 도시 공원에서 개체수가 극적으로 늘었습니다. 북부 범위에서 이동성이 있으며 온대 지역에서 점점 더 정주성입니다.
Wandering Whistling-duck
황갈색-갈색 몸통, 어두운 갈색 등, 엷은 황갈색 아랫면, 밤색 목깃을 가진 중형 홍따오기. 인도네시아에서 호주·태평양 섬까지 열대 습지에 서식. 매우 사회적이고 유목성. 얕은 담수에서 수면 채이기와 잠수로 채이며 먹이를 구한다.