Auckland Islands Shag vs Double-crested Cormorant
Leucocarbo colensoi compared with Nannopterum auritum
Side-by-Side Comparison
| Attribute | Auckland Islands Shag | Double-crested Cormorant |
|---|---|---|
| Scientific Name | Leucocarbo colensoi | Nannopterum auritum |
| Order | Suliformes | Suliformes |
| Family | Phalacrocoracidae | Phalacrocoracidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 54.7 cm (21.5 in) | — |
| Weight | 2000.0 g (70.55 oz) | 1936.0 g (68.29 oz) |
| Diet | -- | -- |
| Clutch Size | 3 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
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.