Stewart Island Shag vs Chatham Islands Shag
Leucocarbo chalconotus 对比 Leucocarbo onslowi
Side-by-Side Comparison
| 属性 | Stewart Island Shag | Chatham Islands Shag |
|---|---|---|
| 学名 | Leucocarbo chalconotus | Leucocarbo onslowi |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保护状况 | Vulnerable | Critically Endangered |
| 体长 | — | — |
| 翼展 | 56.7 cm (22.3 in) | 51.8 cm (20.4 in) |
| 体重 | 2368.75 g (83.56 oz) | 2095.0 g (73.90 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Vulnerable
Stewart Island Shag
Critically Endangered
Chatham Islands Shag
About These Birds
Stewart Island Shag
68 cm. Black and white pied shag; dark forms also occur; orange caruncles. Endemic to Stewart Island and southern South Island coast, New Zealand. Vulnerable; feeds on fish in cold coastal waters. Colonial nester on cliff ledges; closely related to other New Zealand endemic shags.
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.