Christmas Island Frigatebird vs Ascension Frigatebird
Fregata andrewsi ile kıyaslandığında Fregata aquila
Side-by-Side Comparison
| Özellik | Christmas Island Frigatebird | Ascension Frigatebird |
|---|---|---|
| Bilimsel Ad | Fregata andrewsi | Fregata aquila |
| Takım | Suliformes | Suliformes |
| Familya | Fregatidae | Fregatidae |
| Koruma Durumu | Vulnerable | Vulnerable |
| Uzunluk | — | — |
| Kanat Açıklığı | 123,8 cm (48.7 in) | 113,7 cm (44.8 in) |
| Ağırlık | 1475,0 g (52.03 oz) | 1435,0 g (50.62 oz) |
| Beslenme | -- | -- |
| Kuluçka Büyüklüğü | 1 | 1 |
| Population Trend | — | — |
Habitat Comparison
Ortak Yaşam Alanları
Hiçbiri
Christmas Island Frigatebird only
Ascension Frigatebird only
Koruma Durumu
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.