Double-crested Cormorant vs Bank Cormorant
Nannopterum auritum verglichen mit Phalacrocorax neglectus
Side-by-Side Comparison
| Merkmal | Double-crested Cormorant | Bank Cormorant |
|---|---|---|
| Wissenschaftlicher Name | Nannopterum auritum | Phalacrocorax neglectus |
| Ordnung | Suliformes | Suliformes |
| Familie | Phalacrocoracidae | Phalacrocoracidae |
| Erhaltungsstatus | Least Concern | Endangered |
| Länge | — | — |
| Flügelspannweite | — | 52,2 cm (20.6 in) |
| Gewicht | 1936,0 g (68.29 oz) | 1930,0 g (68.08 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 3-4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Least Concern
Double-crested Cormorant
Endangered
Bank Cormorant
About These Birds
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.
Bank Cormorant
76 cm. Dark sooty-brown; bare-faced; yellow at gape. Endemic to South Africa and Namibia coast; Near Threatened. Breeds on rocky islands and coastal cliffs. Feeds on fish in the cold Benguela upwelling. Does not venture far from breeding colonies; very restricted coastal range.