Ringed Teal vs Spotted Whistling-duck
Callonetta leucophrys 比較対象 Dendrocygna guttata
Side-by-Side Comparison
| 属性 | Ringed Teal | Spotted Whistling-duck |
|---|---|---|
| 学名 | Callonetta leucophrys | Dendrocygna guttata |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 33.8 cm (13.3 in) | 41.3 cm (16.3 in) |
| 体重 | 345.0 g (12.17 oz) | 677.5 g (23.90 oz) |
| 食性 | Eats seeds, plant material, and aquatic invertebrates; filter-feeds in shallow water; broadly omnivorous and seasonally … | Primarily herbivorous; grazes tundra grasses and sedges; winters on coastal marshes and farmland, switching to … |
| 一腹卵数 | 6-12 | 10-11 |
| Population Trend | — | — |
Habitat Comparison
Ringed Teal
Subtropical forests, gallery woodlands, and wooded wetland margins in Bolivia, Brazil, Paraguay, Uruguay, and northeastern Argentina. Nests in tree hollows near water. Requires forested streams and rivers.
Spotted Whistling-duck
Freshwater wetlands, rice fields, streams, and forest pools in New Guinea, Sulawesi, the Philippines, and Moluccas. Often found near forested rivers and seasonal swamps at low elevations.
Song & Call Comparison
Ringed Teal
Male utters a soft, high-pitched squeak; female gives a low, grunting kow note. Courtship involves quiet twittering exchanges between pairs in South American gallery forests.
Spotted Whistling-duck
A musical, high whistle similar to other whistling-ducks. Call is softer and less far-carrying than White-faced or Black-bellied species. Given in flight and on water.
Geographic Range & Migration
Ringed Teal
Breeds in the southern Palearctic from the Iberian Peninsula to Central Asia; winters mainly in sub-Saharan Africa.
Spotted Whistling-duck
Ranges widely across sub-Saharan Africa in open woodland and savanna. Largely sedentary with local seasonal movements to water.
保全状況
Ringed Teal
Spotted Whistling-duck
How to Tell Them Apart
Ringed Teal
Males have gray head with black crown; pink breast with black spots; chestnut back; buff-white flanks with fine barring. White facial blaze. Females brown with pale supercilium and white spots …
Spotted Whistling-duck
Dark brown above; head and neck dark brown. Underparts heavily spotted white on dark brown ground, giving spotted appearance. Flanks with bold white spots. Pink-red bill and legs. Sexes similar.
About These Birds
Ringed Teal
リングテールダックは南米のグラン・チャコ地方を中心に分布するカモです。白い眉斑と橙色の嘴が特徴的です。草地の池、川沿いの湿地、半乾燥地帯の水辺に生息し、水草、種子、無脊椎動物を採食します。
Spotted Whistling-duck
スポッテドウィスリングダックはインドネシア、フィリピン、パプアニューギニアに分布するツリーダックです。白い斑点のある褐色の羽毛が特徴で、夜間に特徴的な笛のような声でさえずります。熱帯の湿地、稲田、マングローブ林に生息し、草の種子や水草を採食します。