Heard Shag vs Chatham Islands Shag
Leucocarbo nivalis 比較対象 Leucocarbo onslowi
Side-by-Side Comparison
| 属性 | Heard Shag | Chatham Islands Shag |
|---|---|---|
| 学名 | Leucocarbo nivalis | Leucocarbo onslowi |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保全状況 | Not Evaluated | Critically Endangered |
| 体長 | — | — |
| 翼開長 | — | 51.8 cm (20.4 in) |
| 体重 | 2931.0 g (103.39 oz) | 2095.0 g (73.90 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 2-4 | 3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Not Evaluated
Heard Shag
Critically Endangered
Chatham Islands Shag
About These Birds
Heard Shag
63 cm. Black above; white below; orange caruncles. Endemic to Heard Island and McDonald Islands, remote Australian sub-Antarctic territory. Vulnerable; population of only a few thousand in a very restricted range. Feeds on fish and invertebrates in cold surrounding ocean.
Chatham Islands Shag
63 cm. Black and white; orange-red caruncles at bill base. Endemic to Chatham Islands, New Zealand. Critically Endangered; total population fewer than 1,000 birds. Restricted to a few Chatham Islands colonies; feeds on fish and invertebrates in surrounding coastal waters.