European Shag vs Double-crested Cormorant
Gulosus aristotelis comparado com Nannopterum auritum
Side-by-Side Comparison
| Atributo | European Shag | Double-crested Cormorant |
|---|---|---|
| Nome científico | Gulosus aristotelis | Nannopterum auritum |
| Ordem | Suliformes | Suliformes |
| Família | Phalacrocoracidae | Phalacrocoracidae |
| Estado de conservação | Least Concern | Least Concern |
| Comprimento | — | — |
| Envergadura | 52,5 cm (20.7 in) | — |
| Peso | 1777,25 g (62.69 oz) | 1936,0 g (68.29 oz) |
| Dieta | -- | -- |
| Tamanho da postura | 1-6 | 3-4 |
| Population Trend | — | — |
Habitat Comparison
Estado de conservação
Least Concern
European Shag
Least Concern
Double-crested Cormorant
About These Birds
European Shag
68–78 cm, wingspan 95–110 cm. All-black with glossy green; short erect crest in breeding; yellow gape. Strictly marine; breeds on rocky coasts of western Europe and Mediterranean. Feeds on fish by diving in clear coastal waters. Vulnerable; threatened by oil spills and overfishing.
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.