Great Cormorant vs Kerguelen Islands Shag
Phalacrocorax carbo เปรียบเทียบกับ Leucocarbo verrucosus
Side-by-Side Comparison
| คุณสมบัติ | Great Cormorant | Kerguelen Islands Shag |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Phalacrocorax carbo | Leucocarbo verrucosus |
| อันดับ | Suliformes | Suliformes |
| วงศ์ตระกูล | Phalacrocoracidae | Phalacrocoracidae |
| สถานะการอนุรักษ์ | Least Concern | Least Concern |
| ความยาว | 90.0 cm (35.4 in) | — |
| กว้างปีก | 145.0 cm (57.1 in) | 53.4 cm (21.0 in) |
| น้ำหนัก | 2600.0 g (91.71 oz) | 2500.0 g (88.18 oz) |
| อาหาร | Fish caught by diving from the surface. Pursues prey underwater using powerful feet for propulsion. … | -- |
| จำนวนไข่ | 1-7 | 2-4 |
| 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.
Kerguelen Islands Shag
Geographic Range & Migration
Great Cormorant
Very wide range across Europe, Asia, Africa, and Australasia. One of the most widespread cormorant species.
Kerguelen Islands Shag
สถานะการอนุรักษ์
Great Cormorant
Kerguelen Islands Shag
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
Kerguelen Islands Shag
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.
Kerguelen Islands Shag
65 cm. Black and white; distinctive warty orange caruncles at bill base. Endemic to Kerguelen Islands, southern Indian Ocean. Feeds on fish in cold Kerguelen Island waters; colonial nester on rocky coastal cliffs. Locally common but restricted range makes it Vulnerable.