Auckland Islands Shag vs Double-crested Cormorant
Leucocarbo colensoi 比較対象 Nannopterum auritum
Side-by-Side Comparison
| 属性 | Auckland Islands Shag | Double-crested Cormorant |
|---|---|---|
| 学名 | Leucocarbo colensoi | Nannopterum auritum |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 54.7 cm (21.5 in) | — |
| 体重 | 2000.0 g (70.55 oz) | 1936.0 g (68.29 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 3 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Vulnerable
Auckland Islands Shag
Least Concern
Double-crested Cormorant
About These Birds
Auckland Islands Shag
63 cm. Black and white; orange caruncles. Endemic to Auckland Islands, New Zealand subantarctic. Vulnerable; total population estimated at only a few thousand. Feeds on fish and invertebrates in surrounding cold ocean waters. Non-migratory; restricted to the island group.
Double-crested Cormorant
70–90 cm, wingspan 114–123 cm. Dark with two small orange ear tufts in breeding; orange-yellow facial skin. Widespread across North America and Central America. Highly adaptable; colonial nester. Controversial where it competes with commercial fisheries; feeds almost exclusively on fish.