Mute Swan vs Paradise Shelduck
Cygnus olor comparado com Tadorna variegata
Side-by-Side Comparison
| Atributo | Mute Swan | Paradise Shelduck |
|---|---|---|
| Nome científico | Cygnus olor | Tadorna variegata |
| Ordem | Anseriformes | Anseriformes |
| Família | Anatidae | Anatidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | 152,0 cm (59.8 in) | — |
| Envergadura | 235,0 cm (92.5 in) | 70,2 cm (27.6 in) |
| Peso | 11000,0 g (388.01 oz) | 1569,5 g (55.36 oz) |
| Dieta | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … | Eats seeds, grasses, and aquatic invertebrates; grazes near water; dabbles in shallows; diet varies with … |
| Tamanho da postura | 5-7 | 5-15 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Paradise Shelduck
Open farmland, grassland, lake shores, riverbeds, and wetlands throughout both main islands of New Zealand. Nests in caves, burrows, hollow trees, and dense vegetation. Highly territorial in the breeding season.
Song & Call Comparison
Mute Swan
Despite its name, not truly mute: gives hissing snorts and low grunting when threatened. Wings produce a loud rhythmic whistling throbbing sound in flight.
Paradise Shelduck
Male gives a high-pitched whistle; female gives a loud, harsh cackling call 'rak-rak-rak'. New Zealand's only endemic shelduck; calls echoing in open farmland are distinctive.
Geographic Range & Migration
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
Paradise Shelduck
Breeds in Eurasia from the UK to Siberia; winters across sub-Saharan Africa and the Indian subcontinent.
Estado de conservação
Mute Swan
Paradise Shelduck
How to Tell Them Apart
Mute Swan
All-white plumage in adults. Cygnets are grey-brown, gradually whitening over the first year. Graceful S-curved neck posture is distinctive.
Orange bill with a prominent black knob at the base, larger in males
Paradise Shelduck
Extreme dimorphism. Males have black head with green gloss and black-and-chestnut body. Females have pure white head and neck contrasting with rich chestnut-rufous body. Both show white wing patches. New …
About These Birds
Mute Swan
The mute swan is one of the heaviest flying birds, with males weighing up to 14 kg. Despite its name, it is not truly mute, producing hissing, grunting, and snorting sounds. Mute swans form lifelong pair bonds and their aggressive defense of nesting territory is well known.
Paradise Shelduck
O pato-de-paradise é um pato-de-terra grande da Nova Zelândia com dimorfismo sexual marcante. Os machos têm cabeça e pescoço verdes brilhantes, peito castanho-avermelhado e corpo barrado de branco. As fêmeas têm cabeça e pescoço brancos e o corpo castanho. A espécie é ícone cultural dos Maoris onde é conhecida como pūtangitangi. Cria em prados e zonas húmidas de interior e é um dos patos mais comuns da Nova Zelândia. É altamente territorial.