Heermann's Gull vs Chinese Crested Tern
Larus heermanni 对比 Thalasseus bernsteini
Side-by-Side Comparison
| 属性 | Heermann's Gull | Chinese Crested Tern |
|---|---|---|
| 学名 | Larus heermanni | Thalasseus bernsteini |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保护状况 | Near Threatened | Critically Endangered |
| 体长 | — | — |
| 翼展 | 67.2 cm (26.5 in) | 63.8 cm (25.1 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 280.0 g (9.88 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-2 | 1 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Heermann's Gull
Critically Endangered
Chinese Crested 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。
Chinese Crested Tern
Chinese Crested Tern is Critically Endangered, fewer than 50 individuals known. Breeding sites on small rocky islands off eastern China; winters in Southeast Asia. Orange bill with yellow tip, black crest. Extremely similar to Greater Crested Tern; often overlooked in mixed colonies. Piscivore; plunge-dives.