Chatham Islands Shag vs Spectacled Cormorant
Leucocarbo onslowi verglichen mit Urile perspicillatus
Side-by-Side Comparison
| Merkmal | Chatham Islands Shag | Spectacled Cormorant |
|---|---|---|
| Wissenschaftlicher Name | Leucocarbo onslowi | Urile perspicillatus |
| Ordnung | Suliformes | Suliformes |
| Familie | Phalacrocoracidae | Phalacrocoracidae |
| Erhaltungsstatus | Critically Endangered | Extinct |
| Länge | — | — |
| Flügelspannweite | 51,8 cm (20.4 in) | — |
| Gewicht | 2095,0 g (73.90 oz) | — |
| Ernährung | -- | -- |
| Gelegegröße | 3 | -- |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
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.