Saunders's Gull vs West African Crested Tern
Saundersilarus saundersi so với Thalasseus albididorsalis
Side-by-Side Comparison
| Thuộc Tính | Saunders's Gull | West African Crested Tern |
|---|---|---|
| Tên Khoa Học | Saundersilarus saundersi | Thalasseus albididorsalis |
| Bộ | Charadriiformes | Charadriiformes |
| Họ | Laridae | Laridae |
| Tình Trạng Bảo Tồn | Vulnerable | Not Evaluated |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 54,8 cm (21.6 in) | — |
| Khối Lượng | 195,0 g (6.88 oz) | 380,0 g (13.40 oz) |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-6 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Vulnerable
Saunders's Gull
Not Evaluated
West African Crested Tern
About These Birds
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.
West African Crested Tern
West African Crested Tern, 42–45 cm, breeds on Atlantic islands from Mauritania to Angola. Pale grey back, orange bill, black crest. Piscivore; forages along the rich upwelling zone off West Africa. Recently split from Lesser Crested Tern. Coastal and offshore forager in tropical waters.