Northern Pintail vs African Pygmy-goose
Anas acuta comparado com Nettapus auritus
Side-by-Side Comparison
| Atributo | Northern Pintail | African Pygmy-goose |
|---|---|---|
| Nome científico | Anas acuta | Nettapus auritus |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 51,3 cm (20.2 in) | 29,9 cm (11.8 in) |
| Peso | 912,75 g (32.20 oz) | 272,5 g (9.61 oz) |
| Dieta | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow water; diet dominated by hard-shelled benthic … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamanho da postura | 3-12 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Northern Pintail only
African Pygmy-goose only
Nenhum
Northern Pintail
Breeds on shallow prairie wetlands, tundra ponds, and arctic meadows. Winters on coastal estuaries, lagoons, rice paddies, and agricultural fields across Europe, Asia, Africa, and North America. Highly migratory.
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
Northern Pintail
Male produces a low, mellow whistle; female gives a hoarse, nasal quack. The male's soft, flute-like call is one of the most distinctive sounds of northern wetlands in spring.
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
Northern Pintail
Breeds in Arctic Canada, Alaska, and Greenland; winters along the coasts of the North Atlantic from Labrador to West Africa.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservação
Northern Pintail
African Pygmy-goose
How to Tell Them Apart
Northern Pintail
Breeding males have chocolate-brown head; white neck stripe extending to breast; gray flanks with long pointed central tail feathers. Females mottled brown with pointed tail and gray bill. Elegant and …
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
Northern Pintail
Um pato esbelto e elegante da família Anatidae, amplamente distribuído no Hemisfério Norte. O Arrabio (Anas acuta) nidifica em prados e pradarias abertas do Ártico e da América do Norte e Eurásia, migrando para o sul durante o inverno. Mede aproximadamente 51-76 cm, com machos maiores que fêmeas. Os machos têm cabeça marrom chocolatada com listra branca no pescoço e longa cauda pontiaguda preta. As fêmeas são discretamente malhadas. Alimenta-se de sementes aquáticas, vegetação e invertebrados. Um dos patos migratórios …
African Pygmy-goose
O pato-pigmeu-africano é o menor pato africano e um dos menores da família dos anátidos. É encontrado em zonas húmidas tropicais de África subsariana. Os machos têm plumagem brilhante verde-escuro iridescente no dorso com flancos castanhos avermelhados e remendos brancos nas asas. Habita lagos, pântanos e áreas com vegetação aquática flutuante. Nidifica em ocos de árvore perto da água. A sua distribuição está ligada à presença de plantas aquáticas específicas.