Heard Shag vs Pygmy Cormorant
Leucocarbo nivalis 对比 Microcarbo pygmaeus
Side-by-Side Comparison
| 属性 | Heard Shag | Pygmy Cormorant |
|---|---|---|
| 学名 | Leucocarbo nivalis | Microcarbo pygmaeus |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保护状况 | Not Evaluated | Least Concern |
| 体长 | — | — |
| 翼展 | — | 40.2 cm (15.8 in) |
| 体重 | 2931.0 g (103.39 oz) | 693.3333333333334 g (24.46 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-4 | 2-8 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Not Evaluated
Heard Shag
Least Concern
Pygmy Cormorant
About These Birds
Heard Shag
63 cm. Black above; white below; orange caruncles. Endemic to Heard Island and McDonald Islands, remote Australian sub-Antarctic territory. Vulnerable; population of only a few thousand in a very restricted range. Feeds on fish and invertebrates in cold surrounding ocean.
Pygmy Cormorant
45–55 cm. Small; dark brown with chestnut head and neck in breeding; pale yellow throat. Resident across eastern Europe, Middle East, and Central Asia in freshwater lakes and rivers. Vulnerable; declining due to wetland degradation. Feeds on small fish by diving.