White-winged Tern vs Saunders's Gull
Chlidonias leucopterus so với Saundersilarus saundersi
Side-by-Side Comparison
| Thuộc Tính | White-winged Tern | Saunders's Gull |
|---|---|---|
| Tên Khoa Học | Chlidonias leucopterus | Saundersilarus saundersi |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Least Concern | Vulnerable |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 41,6 cm (16.4 in) | 54,8 cm (21.6 in) |
| Khối Lượng | 60,5 g (2.13 oz) | 195,0 g (6.88 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 2-3 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
Môi Trường Sống Chung
Saunders's Gull only
Không
Tình Trạng Bảo Tồn
Least Concern
White-winged Tern
Vulnerable
Saunders's Gull
About These Birds
White-winged Tern
White-winged Tern, 20–23 cm, breeds in wetlands from Eastern Europe to Central Asia and winters in sub-Saharan Africa, South Asia, and Australia. Breeding male: jet-black body contrasting with white wings. Insectivore; dips over marshes and rice paddies. Long-distance migrant.
Saunders's Gull
Saunders's Gull, 29–32 cm, is a Vulnerable gull breeding in coastal saltmarshes of China and Korea, wintering along East Asian coasts to Vietnam. Black hood in breeding plumage, white wing-tip mirrors. Feeds on crustaceans and invertebrates in tidal mudflats. Threatened by reclamation of Yellow Sea tidal flats.