Northern Pintail vs Spotted Whistling-duck
Anas acuta 비교 대상 Dendrocygna guttata
Side-by-Side Comparison
| 속성 | Northern Pintail | Spotted Whistling-duck |
|---|---|---|
| 학명 | Anas acuta | Dendrocygna guttata |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 51.3 cm (20.2 in) | 41.3 cm (16.3 in) |
| 체중 | 912.75 g (32.20 oz) | 677.5 g (23.90 oz) |
| 식성 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow water; diet dominated by hard-shelled benthic … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 산란 수 | 3-12 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Northern Pintail
Breeds on shallow prairie wetlands, tundra ponds, and arctic meadows. Winters on coastal estuaries, lagoons, rice paddies, and agricultural fields across Europe, Asia, Africa, and North America. Highly migratory.
Spotted Whistling-duck
Freshwater wetlands, rice fields, streams, and forest pools in New Guinea, Sulawesi, the Philippines, and Moluccas. Often found near forested rivers and seasonal swamps at low elevations.
Song & Call Comparison
Northern Pintail
Male produces a low, mellow whistle; female gives a hoarse, nasal quack. The male's soft, flute-like call is one of the most distinctive sounds of northern wetlands in spring.
Spotted Whistling-duck
A musical, high whistle similar to other whistling-ducks. Call is softer and less far-carrying than White-faced or Black-bellied species. Given in flight and on water.
Geographic Range & Migration
Northern Pintail
Breeds in Arctic Canada, Alaska, and Greenland; winters along the coasts of the North Atlantic from Labrador to West Africa.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
보전 상태
Northern Pintail
Spotted Whistling-duck
How to Tell Them Apart
Northern Pintail
Breeding males have chocolate-brown head; white neck stripe extending to breast; gray flanks with long pointed central tail feathers. Females mottled brown with pointed tail and gray bill. Elegant and …
Spotted Whistling-duck
Dark brown above; head and neck dark brown. Underparts heavily spotted white on dark brown ground, giving spotted appearance. Flanks with bold white spots. Pink-red bill and legs. Sexes similar.
About These Birds
Northern Pintail
긴 가늘고 긴 목을 가진 크고 우아한 표면 먹이 오리. 수컷은 초콜릿 갈색 머리, 흰 아랫면, 특징적인 길고 뾰족한 검은 꼬리 깃털이 있다. 북반구 전역에서 번식하고 남쪽으로 이동한다.
Spotted Whistling-duck
옆구리에 굵은 흰 반점, 주황-붉은 부리와 다리, 엷은 얼굴을 가진 소형 어두운 갈색 홍따오기. 뉴기니·필리핀·인도네시아의 열대 습지에 서식. 종종 담수 개울과 침수 초원 근처에서 발견. 다른 홍따오기보다 덜 사회적.