American Avocet vs Red-necked Avocet
Recurvirostra americana 比較対象 Recurvirostra novaehollandiae
Side-by-Side Comparison
| 属性 | American Avocet | Red-necked Avocet |
|---|---|---|
| 学名 | Recurvirostra americana | Recurvirostra novaehollandiae |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Recurvirostridae | Recurvirostridae |
| 保全状況 | Least Concern | Least Concern |
| 体長 | — | — |
| 翼開長 | 43.6 cm (17.2 in) | 45.0 cm (17.7 in) |
| 体重 | 307.5 g (10.85 oz) | 322.3333333333333 g (11.37 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3-5 | 2-5 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
American Avocet
Least Concern
Red-necked Avocet
About These Birds
American Avocet
American Avocet (Recurvirostra americana) is a large 40–51 cm wader of North America. Black and white body; orange-rufous head and neck in breeding plumage; long upturned bill; blue-grey legs. Inhabits shallow saline and freshwater lakes, marshes, and coastal flats from western Canada to Mexico. Migratory. Sweeps bill side-to-side in water.
Red-necked Avocet
Red-necked Avocet (Recurvirostra novaehollandiae) is a large 40–46 cm avocet endemic to Australia. White and black body; distinctive chestnut-red head and neck; long upturned bill; blue-grey legs. Inhabits shallow saline lakes, salt pans, and coastal lagoons across inland and coastal Australia.