Auckland Islands Shag vs Spectacled Cormorant
Leucocarbo colensoi 对比 Urile perspicillatus
Side-by-Side Comparison
| 属性 | Auckland Islands Shag | Spectacled Cormorant |
|---|---|---|
| 学名 | Leucocarbo colensoi | Urile perspicillatus |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保护状况 | Vulnerable | Extinct |
| 体长 | — | — |
| 翼展 | 54.7 cm (21.5 in) | — |
| 体重 | 2000.0 g (70.55 oz) | — |
| 食性 | -- | -- |
| 产卵数 | 3 | -- |
| Population Trend | — | — |
Habitat Comparison
保护状况
Vulnerable
Auckland Islands Shag
Extinct
Spectacled Cormorant
About These Birds
Auckland Islands Shag
63 cm. Black and white; orange caruncles. Endemic to Auckland Islands, New Zealand subantarctic. Vulnerable; total population estimated at only a few thousand. Feeds on fish and invertebrates in surrounding cold ocean waters. Non-migratory; restricted to the island group.
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.