African Pygmy-goose vs Freckled Duck
Nettapus auritus เปรียบเทียบกับ Stictonetta naevosa
Side-by-Side Comparison
| คุณสมบัติ | African Pygmy-goose | Freckled Duck |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Nettapus auritus | Stictonetta naevosa |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 29.9 cm (11.8 in) | 46.5 cm (18.3 in) |
| น้ำหนัก | 272.5 g (9.61 oz) | 888.25 g (31.33 oz) |
| อาหาร | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … | Filter-feeds on invertebrates and seeds in shallow water; upends in wetlands; diet shifts toward plant … |
| จำนวนไข่ | 6-12 | 5-10 |
| 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.
Freckled Duck
Dense inland freshwater swamps, tea-tree bogs, and reedy lakes across southern and inland Australia. Highly nomadic; follows ephemeral inland flooding. Key breeding sites in Murray-Darling Basin swamps.
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.
Freckled Duck
Soft, nasal 'quacking' and grunting sounds. Considered a quieter, more secretive duck than most. Males give a soft wheeze; females give low quacks. Not vocal by duck standards.
Geographic Range & Migration
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Freckled Duck
Breeds in the sub-Arctic and boreal regions of North America; winters inland and coastally across the southern United States.
สถานะการอนุรักษ์
African Pygmy-goose
Freckled Duck
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.
Freckled Duck
Dark grayish-brown plumage densely freckled with pale spots and streaks throughout. Head large and rounded with peaked crown. Bill gray-blue with red patch at base in breeding males. Sexes similar.
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.
Freckled Duck
An unusual Australian duck with dark brown plumage densely speckled with small pale spots. Considered a living fossil with no close relatives—placed in its own subfamily. Males have a red base to the bill in breeding season. Found in inland Australia; highly nomadic following rainfall.