Pacific Black Duck vs African Pygmy-goose
Anas superciliosa 비교 대상 Nettapus auritus
Side-by-Side Comparison
| 속성 | Pacific Black Duck | African Pygmy-goose |
|---|---|---|
| 학명 | Anas superciliosa | Nettapus auritus |
| 목 | Anseriformes | Anseriformes |
| 과 | Anatidae | Anatidae |
| 보전 상태 | Least Concern | Least Concern |
| 체장 | — | — |
| 날개 폭 | 50.2 cm (19.8 in) | 29.9 cm (11.8 in) |
| 체중 | 1000.5 g (35.29 oz) | 272.5 g (9.61 oz) |
| 식성 | Dives for fish and aquatic invertebrates; serrated bill adapted for gripping prey; diet varies with … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| 산란 수 | 3-15 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Pacific Black Duck
Freshwater and brackish wetlands across Australasia and the Pacific Islands, from freshwater lakes and rivers to coastal estuaries, mangroves, and irrigated agricultural areas. Highly adaptable to human-modified landscapes.
African Pygmy-goose
Freshwater lakes, ponds, and rivers with floating water lilies and other aquatic vegetation across sub-Saharan Africa from Senegal to Tanzania. Nests in tree cavities near water. Highly dependent on water lily vegetation.
Song & Call Comparison
Pacific Black Duck
Female gives a loud, emphatic quacking series; male utters a soft quip note. Common call is a loud, repeated quack; alarm is an insistent, rattling quacking burst.
African Pygmy-goose
Male produces a soft, wheezy whistle; female gives a quiet, duck-like quack. Pairs exchange rapid twittering notes during courtship on lily-covered African pools.
Geographic Range & Migration
Pacific Black Duck
Found across sub-Saharan Africa and Madagascar; locally sedentary in freshwater lakes and rivers year-round.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
보전 상태
Pacific Black Duck
African Pygmy-goose
How to Tell Them Apart
Pacific Black Duck
Brownish-black body with pale buff feather edges giving scaly appearance. Bold pale buff supercilium and dark eye-stripe and crown stripe on paler face. Iridescent green speculum. Gray bill; orange legs. …
African Pygmy-goose
Tiny. Males have glossy dark green head with orange facial patch and ear spot; chestnut-orange flanks; white underparts; black and green back. Females duller with dark eye-stripe. Small yellow-green bill.
About These Birds
Pacific Black Duck
태평양 검정 오리는 오스트레일리아, 뉴질랜드 및 태평양 섬들에 널리 분포합니다. 어두운 갈색 몸통과 특징적인 얼굴 줄무늬를 가지고 있으며, 다양한 수생 환경에 적응할 수 있습니다.
African Pygmy-goose
A tiny jewel-like duck—one of Africa's smallest waterfowl. Males have iridescent green-and-white plumage, an orange bill, and a dark green cap; females are mottled brown. Found on lily-covered lakes in sub-Saharan Africa. Perches on water lily pads and feeds on their seeds and flowers.