Flightless Cormorant vs Bank Cormorant
Nannopterum harrisi 对比 Phalacrocorax neglectus
Side-by-Side Comparison
| 属性 | Flightless Cormorant | Bank Cormorant |
|---|---|---|
| 学名 | Nannopterum harrisi | Phalacrocorax neglectus |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保护状况 | Vulnerable | Endangered |
| 体长 | — | — |
| 翼展 | 37.8 cm (14.9 in) | 52.2 cm (20.6 in) |
| 体重 | 3241.6666666666665 g (114.35 oz) | 1930.0 g (68.08 oz) |
| 食性 | -- | -- |
| 产卵数 | 1-4 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Vulnerable
Flightless Cormorant
Endangered
Bank Cormorant
About These Birds
Flightless Cormorant
89–100 cm. Dark brown; vestigial wings unsuited for flight; bright turquoise eyes. Endemic to Galapagos Islands (Fernandina and Isabela). Only flightless cormorant; Vulnerable with about 1,000 pairs. Feeds on fish and octopus by diving near shore; no natural land predators historically.
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.