Great Knot vs American Woodcock
Calidris tenuirostris so với Scolopax minor
Side-by-Side Comparison
| Thuộc Tính | Great Knot | American Woodcock |
|---|---|---|
| Tên Khoa Học | Calidris tenuirostris | Scolopax minor |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Scolopacidae | Scolopacidae |
| Tình Trạng Bảo Tồn | Endangered | Least Concern |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 35,1 cm (13.8 in) | 26,0 cm (10.2 in) |
| Khối Lượng | 181,0 g (6.38 oz) | 192,0 g (6.77 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 3-4 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Không
Great Knot only
American Woodcock only
Tình Trạng Bảo Tồn
Endangered
Great Knot
Least Concern
American Woodcock
About These Birds
Great Knot
Great Knot: 26–28 cm, largest Calidris sandpiper with a heavy straight bill and bold black-spotted breeding plumage. Breeds on stony Siberian mountain tundra; undertakes one of the longest migrations to winter on tropical Asian and Australian mudflats. EN. Severely threatened by Yellow Sea tidal-flat reclamation. Long-distance migrant.
American Woodcock
American Woodcock: 25–31 cm, rotund crepuscular wader with cryptic dead-leaf plumage, large eyes set high on the head, and an extremely long flexible bill for probing earthworms. Inhabits moist woodland and shrubby margins in eastern North America; winters in southern US. Famous for spiralling courtship 'sky dance.' Migratory.