Labrador Duck vs African Pygmy-goose
Camptorhynchus labradorius 比較対象 Nettapus auritus
Side-by-Side Comparison
| 属性 | Labrador Duck | African Pygmy-goose |
|---|---|---|
| 学名 | Camptorhynchus labradorius | Nettapus auritus |
| 目 | Anseriformes | Anseriformes |
| 科 | Anatidae | Anatidae |
| 保全状況 | Extinct | Least Concern |
| 体長 | — | — |
| 翼開長 | — | 29.9 cm (11.8 in) |
| 体重 | 673.5 g (23.76 oz) | 272.5 g (9.61 oz) |
| 食性 | Extinct; soft spatulate bill suggests feeding on soft-shelled benthic molluscs and crustaceans in shallow coastal … | Filter-feeds on invertebrates and seeds; dabbles in shallow ponds; diet more plant-based outside spring breeding … |
| 一腹卵数 | -- | 6-12 |
| Population Trend | — | — |
Habitat Comparison
Labrador Duck
Historically inhabited sandy coastal bays, estuaries, and mussel beds from Labrador to the mid-Atlantic United States. Extinct since 1878. Nesting grounds never confirmed; likely bred in Labrador.
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
Labrador Duck
Extinct (EX). No recordings exist. This North American scoter relative likely gave a quiet, grunting call during display based on the bill morphology suggesting possible unusual vocalizations.
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
Labrador Duck
Formerly along the eastern coast of North America from Labrador to Chesapeake Bay. Extinct by 1878; last specimen shot in New York.
African Pygmy-goose
Breeds across temperate to sub-Arctic Eurasia; winters in Africa, South Asia, and Southeast Asia.
保全状況
Labrador Duck
African Pygmy-goose
How to Tell Them Apart
Labrador Duck
Extinct; males had white head and breast with black back, wings and belly; distinctive white wing patch. Broad bill with comb-like lamellae. Females brown. Last specimen 1875; first North American …
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
Labrador Duck
ヨーロッパ人接触後に最初に絶滅した北米の鳥。最後の記録は1878年。
African Pygmy-goose
アフリカンピグミーグースはアフリカ南部と東部に分布する小型の木巣性カモです。雄の緑と栗色の美しい羽毛と小さなサイズが特徴的です。水草が豊富な湖や沼地に生息し、蓮や水草の種子を主食とします。木の洞に営巣します。