Mottled Duck vs African Pygmy-goose
Anas fulvigula เปรียบเทียบกับ Nettapus auritus
Side-by-Side Comparison
| คุณสมบัติ | Mottled Duck | African Pygmy-goose |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anas fulvigula | Nettapus auritus |
| อันดับ | Anseriformes | Anseriformes |
| วงศ์ตระกูล | Anatidae | Anatidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | — | — |
| กว้างปีก | 48.9 cm (19.3 in) | 29.9 cm (11.8 in) |
| น้ำหนัก | 1027.5 g (36.24 oz) | 272.5 g (9.61 oz) |
| อาหาร | -- | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| จำนวนไข่ | 9-13 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Mottled Duck
Coastal freshwater and brackish marshes, wet prairies, and gulf coast wetlands in Florida and along the Gulf of Mexico coast to Texas. Non-migratory year-round resident. Threatened by Mallard hybridization.
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
Mottled Duck
Female gives a loud, Mallard-like quacking series; male produces a soft, nasal note. Alarm call is a rapid, emphatic quacking burst; flocks generate a loud chorus on Gulf Coast marshes.
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
Mottled Duck
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
สถานะการอนุรักษ์
Mottled Duck
African Pygmy-goose
How to Tell Them Apart
Mottled Duck
Rich mottled brown plumage with buff-edged feathers and pale buff head and throat. Dark crown and eye stripe. Iridescent blue speculum with white border. Yellow-orange bill. Sexes similar. Resembles non-breeding …
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
Mottled Duck
A medium-sized buff-brown dabbling duck closely related to the Mallard, with a plain brown body, yellow bill, and blue speculum. Non-migratory; restricted to coastal marshes of Florida and the Gulf Coast. Threatened by hybridization with introduced Mallards in Florida.
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.