Pink-footed Goose vs African Pygmy-goose
Anser brachyrhynchus comparado com Nettapus auritus
Side-by-Side Comparison
| Atributo | Pink-footed Goose | African Pygmy-goose |
|---|---|---|
| Nome científico | Anser brachyrhynchus | Nettapus auritus |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 86,4 cm (34.0 in) | 29,9 cm (11.8 in) |
| Peso | 2590,0 g (91.36 oz) | 272,5 g (9.61 oz) |
| Dieta | Grazes grasses and aquatic plants near rivers; takes invertebrates in breeding season; nomadic in response … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| Tamanho da postura | 2-8 | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
Nenhum
Pink-footed Goose only
African Pygmy-goose only
Pink-footed Goose
Breeds on tundra and cliff ledges in Greenland, Iceland, and Svalbard. Winters on agricultural fields, saltmarshes, and estuaries in Scotland, England, Netherlands, and Denmark.
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
Pink-footed Goose
A musical, high-pitched 'wink-wink' — noticeably higher and more musical than Greylag or Bean Goose. The 'wink' call is a reliable identification feature in winter flocks.
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
Pink-footed Goose
Breeds on Arctic and sub-Arctic tundra ponds across North America; winters on both US coasts and Gulf Coast estuaries.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Estado de conservação
Pink-footed Goose
African Pygmy-goose
How to Tell Them Apart
Pink-footed Goose
Dark brown head and neck. Back grayish-brown; underparts pale gray. Diagnostic pink feet and pink-banded dark bill. Pale blue-gray forewing in flight. Compact and round-headed. Sexes similar.
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
Pink-footed Goose
O ganso-de-bico-curto é um ganso cinzento médio que cria na Islândia, Gronelândia e Svalbard. É facilmente identificado pelo seu bico curto e cor de rosa-cinzento com banda rosada, pernas cor-de-rosa e pescoço castanho escuro. Hiberna no Reino Unido e Países Baixos em grande número. Alimenta-se principalmente de pasto e culturas agrícolas. As populações aumentaram nas últimas décadas devido a proteção e disponibilidade de culturas agrícolas nos locais de hibernada.
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.