Great Cormorant vs Spectacled Cormorant
Phalacrocorax carbo เปรียบเทียบกับ Urile perspicillatus
Side-by-Side Comparison
| คุณสมบัติ | Great Cormorant | Spectacled Cormorant |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Phalacrocorax carbo | Urile perspicillatus |
| อันดับ | Suliformes | Suliformes |
| วงศ์ตระกูล | Phalacrocoracidae | Phalacrocoracidae |
| สถานะการอนุรักษ์ | Least Concern | Extinct |
| ความยาว | 90.0 cm (35.4 in) | — |
| กว้างปีก | 145.0 cm (57.1 in) | — |
| น้ำหนัก | 2600.0 g (91.71 oz) | — |
| อาหาร | Fish caught by diving from the surface. Pursues prey underwater using powerful feet for propulsion. … | -- |
| จำนวนไข่ | 1-7 | -- |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Great Cormorant
Coasts, estuaries, lakes, rivers, and reservoirs. Nests in colonies in trees, on cliffs, or on the ground.
Song & Call Comparison
Great Cormorant
Deep, guttural grunts and 'karrr' calls at colonies. Bill-clicking and hissing in threat displays. Silent at sea. Colonial noise can be deafening during the breeding season.
Spectacled Cormorant
Geographic Range & Migration
Great Cormorant
Very wide range across Europe, Asia, Africa, and Australasia. One of the most widespread cormorant species.
Spectacled Cormorant
สถานะการอนุรักษ์
Great Cormorant
Spectacled Cormorant
How to Tell Them Apart
Great Cormorant
All black with a bronze-green gloss. White throat patch and white thigh patches in breeding season. Yellow-orange face patch around the bill base.
Long, hooked, dark bill with a yellow gape
Spectacled Cormorant
About These Birds
Great Cormorant
The great cormorant is one of the most widespread seabirds in the world. Unlike most waterbirds, cormorants lack fully waterproof plumage, leading to the iconic pose of standing with wings spread open to dry. In Asia, cormorants have been used by fishermen to catch fish for over a thousand years.
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.