African Pygmy-goose vs Hartlaub's Duck
Nettapus auritus comparado com Pteronetta hartlaubii
Side-by-Side Comparison
| Atributo | African Pygmy-goose | Hartlaub's Duck |
|---|---|---|
| Nome científico | Nettapus auritus | Pteronetta hartlaubii |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 29,9 cm (11.8 in) | 53,4 cm (21.0 in) |
| Peso | 272,5 g (9.61 oz) | 910,0 g (32.10 oz) |
| Dieta | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … | Eats seeds, aquatic invertebrates, and plant matter; dabbles in ponds and marshes; diet more invertebrate-heavy … |
| Tamanho da postura | 6-12 | 7-11 |
| Population Trend | — | — |
Habitat Comparison
Habitats partilhados
African Pygmy-goose only
Nenhum
Hartlaub's Duck only
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.
Hartlaub's Duck
Tropical rainforest streams, forest pools, and shaded swamps from Guinea and Sierra Leone east through the Congo Basin to Uganda and western Kenya. Requires undisturbed riverine forest with shaded water.
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.
Hartlaub's Duck
A low, nasal 'quack' and soft 'kek-kek'. Generally quieter than other perching ducks. Calls from dense Central and West African rainforest where it is rarely observed.
Geographic Range & Migration
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
Hartlaub's Duck
Breeds in wetlands across Eurasia; winters from Africa and the Middle East to South and Southeast Asia.
Estado de conservação
African Pygmy-goose
Hartlaub's 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.
Hartlaub's Duck
Dark chocolate-brown body; white patches at side of head distinctive. Males have dark blue frontal shield extending from bill. Wings show pale blue-gray inner forewing. Legs gray. West African forest …
About These Birds
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.
Hartlaub's Duck
O pato-de-hartlaub é um pato de tamanho médio da África Central Ocidental, encontrado nas florestas húmidas e zonas húmidas fluviais do Gabão, Camarões, Congo e países adjacentes. Os machos têm cabeça azulada escura com bico azul e corpo castanho-avermelhado escuro. O bico tem um tubérculo menor do que em muitas espécies. Habita rios de floresta e ribeiros lentos com vegetação ribeirinha. É pouco conhecido e difícil de observar na densa floresta tropical onde habita.