Rough-faced Shag vs Double-crested Cormorant
Leucocarbo carunculatus compared with Nannopterum auritum
Side-by-Side Comparison
| Attribute | Rough-faced Shag | Double-crested Cormorant |
|---|---|---|
| Scientific Name | Leucocarbo carunculatus | Nannopterum auritum |
| Order | Suliformes | Suliformes |
| Family | Phalacrocoracidae | Phalacrocoracidae |
| Conservation Status | Vulnerable | Least Concern |
| Length | — | — |
| Wingspan | 57.6 cm (22.7 in) | — |
| Weight | 2577.5 g (90.92 oz) | 1936.0 g (68.29 oz) |
| Diet | -- | -- |
| Clutch Size | 1-3 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Conservation Status
Vulnerable
Rough-faced Shag
Least Concern
Double-crested Cormorant
About These Birds
Rough-faced Shag
65–70 cm. Black above; white below; prominent orange-red facial caruncles. Endemic to Cook Strait area, New Zealand. Vulnerable; small fragmented population. Feeds on fish and invertebrates in coastal waters. Colonial nester on cliff ledges; distinct from other New Zealand shags.
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.