Pectoral Sandpiper vs Christmas Sandpiper
Calidris melanotos so với Prosobonia cancellata
Side-by-Side Comparison
| Thuộc Tính | Pectoral Sandpiper | Christmas Sandpiper |
|---|---|---|
| Tên Khoa Học | Calidris melanotos | Prosobonia cancellata |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Scolopacidae | Scolopacidae |
| Tình Trạng Bảo Tồn | Least Concern | Extinct |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 25,0 cm (9.8 in) | — |
| Khối Lượng | 92,0 g (3.25 oz) | 38,0 g (1.34 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 3-4 | -- |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Pectoral Sandpiper only
Christmas Sandpiper only
Không
Tình Trạng Bảo Tồn
Least Concern
Pectoral Sandpiper
Extinct
Christmas Sandpiper
About These Birds
Pectoral Sandpiper
Pectoral Sandpiper: 19–23 cm, with a sharply defined pectoral band separating heavily streaked breast from pure white belly. Breeds on wet Arctic tundra of Alaska, Canada, and Siberia; migrates through the Americas to winter on South American grasslands and wetlands; some reach Australasia. Common on migration. 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.