Heermann's Gull vs Bridled Tern
Larus heermanni 对比 Onychoprion anaethetus
Side-by-Side Comparison
| 属性 | Heermann's Gull | Bridled Tern |
|---|---|---|
| 学名 | Larus heermanni | Onychoprion anaethetus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Least Concern |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 54.7 cm (21.5 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 129.13333333333333 g (4.56 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Least Concern
Bridled 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。
Bridled Tern
Bridled Tern, 30–32 cm, breeds on tropical islands across the Indo-Pacific and Atlantic. Dark brownish-black above with a white forehead stripe extending behind the eye — the diagnostic 'bridle'. Pelagic outside breeding; piscivore, takes fish and squid at the surface.