Upland Sandpiper vs Christmas Sandpiper
Bartramia longicauda 对比 Prosobonia cancellata
Side-by-Side Comparison
| 属性 | Upland Sandpiper | Christmas Sandpiper |
|---|---|---|
| 学名 | Bartramia longicauda | Prosobonia cancellata |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Scolopacidae | Scolopacidae |
| 保护状况 | Least Concern | Extinct |
| 体长 | — | — |
| 翼展 | 31.8 cm (12.5 in) | — |
| 体重 | 160.83333333333334 g (5.67 oz) | 38.0 g (1.34 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-5 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Upland Sandpiper
Extinct
Christmas Sandpiper
About These Birds
Upland Sandpiper
Upland Sandpiper: 28–32 cm, long-necked grassland sandpiper with a small dove-like head, large dark eyes, and thin bill. Breeds on North American tallgrass and mixed-grass prairie; undertakes extraordinary migration to pampas of South America. Insectivorous grassland invertebrate feeder. Declining due to prairie loss. Long-distance migrant.
Christmas Sandpiper
Christmas Sandpiper: 18–20 cm, slender sandpiper endemic to Christmas Island in the Indian Ocean with brown-barred upperparts and pale underparts. Inhabits coastal rocky shores and forest interior. NT. Threatened by introduced yellow crazy ants and habitat modification. Sedentary island endemic. Invertebrate feeder.