Great Cormorant vs Kerguelen Islands Shag
Phalacrocorax carbo в сравнении с Leucocarbo verrucosus
Side-by-Side Comparison
| Характеристика | Great Cormorant | Kerguelen Islands Shag |
|---|---|---|
| Научное название | Phalacrocorax carbo | Leucocarbo verrucosus |
| Отряд | Suliformes | Suliformes |
| Семейство | Phalacrocoracidae | Phalacrocoracidae |
| Охранный статус | Least Concern | Least Concern |
| Длина | 90,0 cm (35.4 in) | — |
| Размах крыльев | 145,0 cm (57.1 in) | 53,4 cm (21.0 in) |
| Масса | 2600,0 g (91.71 oz) | 2500,0 g (88.18 oz) |
| Питание | Fish caught by diving from the surface. Pursues prey underwater using powerful feet for propulsion. … | -- |
| Размер кладки | 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
Охранный статус
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.