Great Cormorant vs Pitt Island Shag
Phalacrocorax carbo 비교 대상 Phalacrocorax featherstoni
Side-by-Side Comparison
| 속성 | Great Cormorant | Pitt Island Shag |
|---|---|---|
| 학명 | Phalacrocorax carbo | Phalacrocorax featherstoni |
| 목 | Suliformes | Suliformes |
| 과 | Phalacrocoracidae | Phalacrocoracidae |
| 보전 상태 | Least Concern | Endangered |
| 체장 | 90.0 cm (35.4 in) | — |
| 날개 폭 | 145.0 cm (57.1 in) | 43.7 cm (17.2 in) |
| 체중 | 2600.0 g (91.71 oz) | 1043.75 g (36.82 oz) |
| 식성 | Fish caught by diving from the surface. Pursues prey underwater using powerful feet for propulsion. … | -- |
| 산란 수 | 1-7 | 3 |
| 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.
Pitt Island Shag
Geographic Range & Migration
Great Cormorant
Very wide range across Europe, Asia, Africa, and Australasia. One of the most widespread cormorant species.
Pitt Island Shag
보전 상태
Great Cormorant
Pitt Island 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
Pitt Island 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.
Pitt Island Shag
핏섬가마우지는 뉴질랜드 채텀 제도 핏 섬에만 서식하는 소형 가마우지입니다. 회갈색 깃털에 주황색 얼굴 피부가 특징이며 심각한 위기종으로 300마리 미만이 알려져 있습니다.