Black-headed Gull vs Saunders's Gull
Larus ridibundus 对比 Saundersilarus saundersi
Side-by-Side Comparison
| 属性 | Black-headed Gull | Saunders's Gull |
|---|---|---|
| 学名 | Larus ridibundus | Saundersilarus saundersi |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Least Concern | Vulnerable |
| 体长 | — | — |
| 翼展 | 58.2 cm (22.9 in) | 54.8 cm (21.6 in) |
| 体重 | 261.0 g (9.21 oz) | 195.0 g (6.88 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-3 | 1-6 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Least Concern
Black-headed Gull
Vulnerable
Saunders's Gull
About These Birds
Black-headed Gull
黑头鸥（约280克）是欧洲最常见的鸥类之一，繁殖期具有巧克力棕色头部（非黑色）。广布于欧洲至亚洲的淡水和沿海区域，越冬于南欧和北非。以昆虫、蠕虫、鱼类和腐肉为食。无危；高度适应城市环境，在许多城市的公园和湖泊中常见。
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.