Rough-faced Shag vs Spectacled Cormorant
Leucocarbo carunculatus so với Urile perspicillatus
Side-by-Side Comparison
| Thuộc Tính | Rough-faced Shag | Spectacled Cormorant |
|---|---|---|
| Tên Khoa Học | Leucocarbo carunculatus | Urile perspicillatus |
| Bộ | Suliformes | Suliformes |
| Họ | Phalacrocoracidae | Phalacrocoracidae |
| Tình Trạng Bảo Tồn | Vulnerable | Extinct |
| Chiều Dài | — | — |
| Chiều Dài Sải Cánh | 57,6 cm (22.7 in) | — |
| Khối Lượng | 2577,5 g (90.92 oz) | — |
| Chế Độ Ăn | -- | -- |
| Số Trứng | 1-3 | -- |
| Population Trend | — | — |
Habitat Comparison
Tình Trạng Bảo Tồn
Vulnerable
Rough-faced Shag
Extinct
Spectacled Cormorant
About These Birds
Rough-faced Shag
65–70 cm. Black above; white below; prominent orange-red facial caruncles. Endemic to Cook Strait area, New Zealand. Vulnerable; small fragmented population. Feeds on fish and invertebrates in coastal waters. Colonial nester on cliff ledges; distinct from other New Zealand shags.
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.