Imperial Shag vs Chatham Islands Shag
Leucocarbo atriceps compared with Leucocarbo onslowi
Side-by-Side Comparison
| Attribute | Imperial Shag | Chatham Islands Shag |
|---|---|---|
| Scientific Name | Leucocarbo atriceps | Leucocarbo onslowi |
| Order | Suliformes | Suliformes |
| Family | Phalacrocoracidae | Phalacrocoracidae |
| Conservation Status | Least Concern | Critically Endangered |
| Length | — | — |
| Wingspan | 59.1 cm (23.3 in) | 51.8 cm (20.4 in) |
| Weight | 2294.6666666666665 g (80.94 oz) | 2095.0 g (73.90 oz) |
| Diet | -- | -- |
| Clutch Size | 1-5 | 3 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Least Concern
Imperial Shag
Critically Endangered
Chatham Islands Shag
About These Birds
Imperial Shag
72 cm. Black above; white below; vivid orange-yellow caruncles and blue orbital ring. Breeds circumpolar southern South America, Falklands, and Antarctic Peninsula. Feeds on fish and invertebrates in cold Southern Ocean inshore waters. Diverse complex of closely related southern shag species.
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.