African Pygmy-goose vs Spur-winged Goose
Nettapus auritus เปรียบเทียบกับ Plectropterus gambensis
Side-by-Side Comparison
| คุณสมบัติ | African Pygmy-goose | Spur-winged Goose |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Nettapus auritus | Plectropterus gambensis |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 29.9 cm (11.8 in) | 104.5 cm (41.1 in) |
| น้ำหนัก | 272.5 g (9.61 oz) | 4475.0 g (157.85 oz) |
| อาหาร | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … | Eats seeds, invertebrates, and aquatic plants; dabbles in shallow water; omnivorous diet shifts with breeding … |
| จำนวนไข่ | 6-12 | 6-14 |
| Population Trend | — | — |
Habitat Comparison
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.
Spur-winged Goose
Freshwater lakes, marshes, rivers, and flooded grasslands across sub-Saharan Africa from the Sahel to South Africa. Feeds along wetland margins and on agricultural land near water. Nests on the ground.
Song & Call Comparison
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.
Spur-winged Goose
A harsh, goose-like clucking 'uk-uk-uk' in flight. Males give a whistling hiss. Large and ungainly; its loud wing beats and harsh calls are characteristic of savanna wetlands.
Geographic Range & Migration
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Spur-winged Goose
Breeds across Alaska and Canada in wetlands; winters along the Pacific coast from the Aleutians to Baja California.
สถานะการอนุรักษ์
African Pygmy-goose
Spur-winged Goose
How to Tell Them Apart
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.
Spur-winged Goose
Large; black upperparts with glossy green and purple iridescence. White forehead patch, facial skin reddish, and white underparts. Males have larger red facial caruncle and bill knob than females. Spur …
About These Birds
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.
Spur-winged Goose
Africa's largest waterfowl, a massive goose-like bird with iridescent black-and-white plumage, a large red bill knob, bare red facial skin, and prominent bony wing spurs. Males can weigh up to 10 kg. Territorial; feeds on aquatic vegetation and agricultural crops across sub-Saharan Africa.