Red Knot vs Moluccan Woodcock
Calidris canutus 比較対象 Scolopax rochussenii
Side-by-Side Comparison
| 属性 | Red Knot | Moluccan Woodcock |
|---|---|---|
| 学名 | Calidris canutus | Scolopax rochussenii |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Scolopacidae | Scolopacidae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 32.9 cm (13.0 in) | 38.2 cm (15.0 in) |
| 体重 | 187.0 g (6.60 oz) | 308.3 g (10.87 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3-4 | -- |
| Population Trend | — | — |
Habitat Comparison
保全状況
Near Threatened
Red Knot
Vulnerable
Moluccan Woodcock
About These Birds
Red Knot
北極圏のカナダ・ロシア・グリーンランドで繁殖し、世界中の海岸で越冬するシギ(体長23〜26cm)。夏羽は赤褐色の胸と体が鮮やか。Calidris canutus(コオバシギ)は世界最長の渡りをする鳥の一つで、年間30,000kmを超す渡りを行うものもある。渡りの中継地での保全が国際的課題。Scolopacidae科。
Moluccan Woodcock
Moluccan Woodcock: 33–36 cm, large woodcock endemic to Obi and Bacan islands in the North Moluccas, Indonesia. VU. Occupies lowland and montane forest; nocturnal invertebrate feeder. Very poorly known; threatened by extensive deforestation for palm oil and logging. One of the least studied woodcocks. Sedentary.