Christmas Island Frigatebird vs Ascension Frigatebird
Fregata andrewsi verglichen mit Fregata aquila
Side-by-Side Comparison
| Merkmal | Christmas Island Frigatebird | Ascension Frigatebird |
|---|---|---|
| Wissenschaftlicher Name | Fregata andrewsi | Fregata aquila |
| Ordnung | Suliformes | Suliformes |
| Familie | Fregatidae | Fregatidae |
| Erhaltungsstatus | Vulnerable | Vulnerable |
| Länge | — | — |
| Flügelspannweite | 123,8 cm (48.7 in) | 113,7 cm (44.8 in) |
| Gewicht | 1475,0 g (52.03 oz) | 1435,0 g (50.62 oz) |
| Ernährung | -- | -- |
| Gelegegröße | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Erhaltungsstatus
Vulnerable
Christmas Island Frigatebird
Vulnerable
Ascension Frigatebird
About These Birds
Christmas Island Frigatebird
89–100 cm. Male all black with red gular pouch; female has distinctive white belly patch extending under wings. Breeds only on Christmas Island (Indian Ocean). Critically Endangered; fewer than 3,000 pairs threatened by mining, habitat loss, and introduced yellow crazy ants. Kleptoparasitic.
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.