White-cheeked Pintail vs African Pygmy-goose
Anas bahamensis เปรียบเทียบกับ Nettapus auritus
Side-by-Side Comparison
| คุณสมบัติ | White-cheeked Pintail | African Pygmy-goose |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anas bahamensis | Nettapus auritus |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 41.1 cm (16.2 in) | 29.9 cm (11.8 in) |
| น้ำหนัก | 544.5 g (19.21 oz) | 272.5 g (9.61 oz) |
| อาหาร | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal water; diet dominated by hard-shelled … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| จำนวนไข่ | 5-12 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
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White-cheeked Pintail only
African Pygmy-goose only
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White-cheeked Pintail
Freshwater, brackish, and coastal wetlands across the Caribbean, Galapagos Islands, and South America from Venezuela south to Argentina. Tolerates saline habitats; common in coastal lagoons and estuaries.
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
White-cheeked Pintail
Female gives a descending quacking series; male produces a soft, nasal gak note. Both sexes relatively quiet; calls carry across Caribbean mangroves and Bahamian tidal flats.
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
White-cheeked Pintail
Breeds in the subarctic and Arctic Eurasia; winters across temperate lakes and coasts in Europe, Africa, and Asia.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
สถานะการอนุรักษ์
White-cheeked Pintail
African Pygmy-goose
How to Tell Them Apart
White-cheeked Pintail
Brown body mottled with dark spots; white cheeks and throat distinctive. Pointed tail. Red base to gray bill. Iridescent green speculum with buff-white front border. Sexes similar but males have …
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
White-cheeked Pintail
A slender duck with white cheeks and throat contrasting with brown body, a red-based grey bill, and distinctive red-sided tail. Found from the Caribbean south through South America. Also known as the Bahama Pintail. Common on Caribbean islands. Three subspecies recognized.
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.