Bufflehead vs African Pygmy-goose
Bucephala albeola в сравнении с Nettapus auritus
Side-by-Side Comparison
| Характеристика | Bufflehead | African Pygmy-goose |
|---|---|---|
| Научное название | Bucephala albeola | Nettapus auritus |
| Отряд | Anseriformes | Anseriformes |
| Семейство | Anatidae | Anatidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | — | — |
| Размах крыльев | 32,2 cm (12.7 in) | 29,9 cm (11.8 in) |
| Масса | 400,5 g (14.13 oz) | 272,5 g (9.61 oz) |
| Питание | Dives for aquatic insects, crustaceans, and small molluscs in freshwater and coastal habitats. One of … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Размер кладки | 5-14 | 6-12 |
| 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.
Song & Call Comparison
Bufflehead
Male produces a soft, squeaky whistle; female gives a harsh, nasal quack. The male's thin, reedy whistle is barely audible; pairs exchange quiet contact calls at boreal forest ponds.
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
Bufflehead
Breeds in boreal forest of western and central North America. Winters along both coasts and interior lakes from southern Canada south to Mexico.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Охранный статус
Bufflehead
African Pygmy-goose
How to Tell Them Apart
Bufflehead
Male has iridescent green-purple head with a large triangular white patch from behind eye over crown; body clean white except for black back. Female is dark sooty-brown with a single …
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
Bufflehead
North America's smallest diving duck (~400 g), family Anatidae, males iridescent purple-green with a large white head patch. Breeds in forested areas near ponds and lakes, nesting in woodpecker cavities; winters on coastal bays and inland waters. Feeds on aquatic invertebrates and small fish. Least Concern with stable populations.
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.