Guanay Cormorant vs Rough-faced Shag
Leucocarbo bougainvilliorum 对比 Leucocarbo carunculatus
Side-by-Side Comparison
| 属性 | Guanay Cormorant | Rough-faced Shag |
|---|---|---|
| 学名 | Leucocarbo bougainvilliorum | Leucocarbo carunculatus |
| 目 | Suliformes | Suliformes |
| 科 | Phalacrocoracidae | Phalacrocoracidae |
| 保护状况 | Near Threatened | Vulnerable |
| 体长 | — | — |
| 翼展 | 58.6 cm (23.1 in) | 57.6 cm (22.7 in) |
| 体重 | 2280.5 g (80.44 oz) | 2577.5 g (90.92 oz) |
| 食性 | -- | -- |
| 产卵数 | 2-3 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保护状况
Near Threatened
Guanay Cormorant
Vulnerable
Rough-faced Shag
About These Birds
Guanay Cormorant
76 cm. Black above; white underparts; black facial skin; yellow bill. Breeds Peruvian and Chilean coast; one of the most abundant South American seabirds. Feeds on anchovy in Humboldt Current. Produces massive guano deposits; colonies of millions historically. Near Threatened; sensitive to El Niño.
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.