Red Knot vs Christmas Sandpiper
Calidris canutus 对比 Prosobonia cancellata
Side-by-Side Comparison
| 属性 | Red Knot | Christmas Sandpiper |
|---|---|---|
| 学名 | Calidris canutus | Prosobonia cancellata |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Scolopacidae | Scolopacidae |
| 保护状况 | Near Threatened | Extinct |
| 体长 | — | — |
| 翼展 | 32.9 cm (13.0 in) | — |
| 体重 | 187.0 g (6.60 oz) | 38.0 g (1.34 oz) |
| 食性 | -- | -- |
| 产卵数 | 3-4 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Red Knot
Extinct
Christmas Sandpiper
About These Birds
Red Knot
红腹滨鹬(约135克)进行壮观的长距离迁徙,从北极繁殖地飞往南半球越冬地。繁殖羽呈砖红色。以双壳类和其他无脊椎动物为食,在中途停歇地对鸮鲎卵的依赖尤为关键。近危;部分迁徙种群因猎捕鲎和食物枯竭而数量急剧下降。
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.