Chatham Islands Shag vs Spectacled Cormorant
Leucocarbo onslowi 对比 Urile perspicillatus
Side-by-Side Comparison
| 属性 | Chatham Islands Shag | Spectacled Cormorant |
|---|---|---|
| 学名 | Leucocarbo onslowi | Urile perspicillatus |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保护状况 | Critically Endangered | Extinct |
| 体长 | — | — |
| 翼展 | 51.8 cm (20.4 in) | — |
| 体重 | 2095.0 g (73.90 oz) | — |
| 食性 | -- | -- |
| 产卵数 | 3 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Critically Endangered
Chatham Islands Shag
Extinct
Spectacled Cormorant
About These Birds
Chatham Islands Shag
63 cm. Black and white; orange-red caruncles at bill base. Endemic to Chatham Islands, New Zealand. Critically Endangered; total population fewer than 1,000 birds. Restricted to a few Chatham Islands colonies; feeds on fish and invertebrates in surrounding coastal waters.
Spectacled Cormorant
Extinct; last recorded in 1850 on Bering Island. Very large; dark green-black with white spectacle marks. Flightless or near-flightless. Endemic to Bering Sea islands; exterminated within decades of discovery by Russian fur traders hunting for food. One of the few recently extinct cormorants.