Saunders's Gull vs White-cheeked Tern
Saundersilarus saundersi 比較対象 Sterna repressa
Side-by-Side Comparison
| 属性 | Saunders's Gull | White-cheeked Tern |
|---|---|---|
| 学名 | Saundersilarus saundersi | Sterna repressa |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 54.8 cm (21.6 in) | 48.3 cm (19.0 in) |
| 体重 | 195.0 g (6.88 oz) | 118.75 g (4.19 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-6 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Vulnerable
Saunders's Gull
Least Concern
White-cheeked 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.
White-cheeked Tern
White-cheeked Tern, 32–34 cm, breeds around the Red Sea, Persian Gulf, and Indian Ocean coasts from East Africa to Pakistan. Grey above and below in breeding plumage, white cheek patch below the black cap. Piscivore; plunge-dives in coastal waters. Some movement to winter quarters in East African coasts.