Andean Teal vs Mute Swan
Anas andium 比較対象 Cygnus olor
Side-by-Side Comparison
| 属性 | Andean Teal | Mute Swan |
|---|---|---|
| 学名 | Anas andium | Cygnus olor |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | 152.0 cm (59.8 in) |
| 翼開長 | 44.8 cm (17.6 in) | 235.0 cm (92.5 in) |
| 体重 | 457.0 g (16.12 oz) | 11000.0 g (388.01 oz) |
| 食性 | Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow coastal and freshwater habitats; diet varies … | Submerged aquatic vegetation, algae, and grass. Feeds by upending in shallow water, reaching depths of … |
| 一腹卵数 | 5-13 | 5-7 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Andean Teal
High-altitude freshwater lakes, marshes, and boggy streams at 2,500–4,500 m in the Andes of Colombia, Ecuador, and Peru. Strongly associated with paramo and subpáramo wetlands.
Mute Swan
Lakes, slow rivers, estuaries, and coastal lagoons. Often associated with parks and ornamental waters in Europe.
Song & Call Comparison
Andean Teal
Male gives a clear, whistled note; female produces a soft quacking series. Subdued vocalizations of this high-altitude Andes teal blend with the wind across paramo lakes.
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.
Geographic Range & Migration
Andean Teal
Breeds in Arctic and sub-Arctic North America; winters along both US coasts, the Gulf of Mexico, and the Great Lakes.
Mute Swan
Native to Europe and western Asia. Introduced to North America, South Africa, Australia, and New Zealand.
保全状況
Andean Teal
Mute Swan
How to Tell Them Apart
Andean Teal
Brown body with fine dark spotting; head grayish-brown. Yellow bill with darker culmen. Iridescent green speculum with white front border. Legs grayish-orange. Sexes similar. High-altitude Andean specialist.
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
About These Birds
Andean Teal
A small brown teal with yellow bill and green speculum. Closely related to Yellow-billed Teal; sometimes considered conspecific. Restricted to high-altitude Andean wetlands of Colombia, Ecuador, and Peru. Listed as Near Threatened due to wetland loss.
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.