Heermann's Gull vs Elegant Tern
Larus heermanni 对比 Thalasseus elegans
Side-by-Side Comparison
| 属性 | Heermann's Gull | Elegant Tern |
|---|---|---|
| 学名 | Larus heermanni | Thalasseus elegans |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Near Threatened |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 59.3 cm (23.3 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 236.16666666666666 g (8.33 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Near Threatened
Elegant 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。
Elegant Tern
Elegant Tern, 39–43 cm, breeds in a few large colonies on islands off Baja California and winters along Pacific coasts of South America. Long, drooping orange bill, shaggy black crest. Piscivore; dependent on Northern Anchovy and Pacific Sardine. Near Threatened; highly colonial breeder.