Heermann's Gull vs Saunders's Tern
Larus heermanni 对比 Sternula saundersi
Side-by-Side Comparison
| 属性 | Heermann's Gull | Saunders's Tern |
|---|---|---|
| 学名 | Larus heermanni | Sternula saundersi |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 33.6 cm (13.2 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 41.825 g (1.48 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Least Concern
Saunders's Tern
About These Birds
Heermann's Gull
赫尔曼鸥在加利福尼亚海岸和下加利福尼亚半岛岛屿繁殖，以暗色体色和红色嘴为特征。
Saunders's Tern
Saunders's Tern, 22–24 cm, is a small coastal tern of the Red Sea, Persian Gulf, and Indian Ocean coasts. Very similar to Little Tern; separated by darker outer primaries and slightly smaller size. Piscivore; hovers and dives in shallow coastal waters and tidal mudflats.