Ascension Frigatebird vs Great Frigatebird
Fregata aquila 比較対象 Fregata minor
Side-by-Side Comparison
| 属性 | Ascension Frigatebird | Great Frigatebird |
|---|---|---|
| 学名 | Fregata aquila | Fregata minor |
| 目 | Suliformes | Suliformes |
| 科 | Fregatidae | Fregatidae |
| 保全状況 | Vulnerable | Least Concern |
| 体長 | — | — |
| 翼開長 | 113.7 cm (44.8 in) | 113.6 cm (44.7 in) |
| 体重 | 1435.0 g (50.62 oz) | 1161.1666666666667 g (40.96 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Vulnerable
Ascension Frigatebird
Least Concern
Great Frigatebird
About These Birds
Ascension Frigatebird
89–96 cm, wingspan 196–200 cm. All-black male; female has white breast and reddish feet. Breeds only on Ascension Island; Vulnerable with fewer than 10,000 birds. Males inflate brilliant red gular pouch to attract mates. Kleptoparasitic; steals fish from other seabirds.
Great Frigatebird
85–105 cm, wingspan 205–230 cm. Male all-black with glossy green sheen; female has white throat and breast with pink orbital ring. Breeds widely across tropical Pacific and Indian Ocean islands. Less kleptoparasitic than Magnificent Frigatebird; takes fish and squid directly.