
Image via Macaulay Library
Christmas Island Frigatebird
- Scientific name
- Fregata andrewsi
- Family
- Fregatidae
- Conservation status
- Vulnerable
- Habitat
- Coast beach
- Wing shape
- Soaring
- Tail shape
- Forked
Where it came from
The Christmas Island frigatebird is a critically endangered seabird endemic to Christmas Island in the Indian Ocean. First described by English ornithologist Charles William Andrews in 1900, the species evolved in isolation, resulting in unique adaptations suited to the tropical marine environment. The bird is characterized by its distinctively large size, its deep-forked tail, and exceptionally long, angular wings designed for effortless soaring and aerial piracy, a behavior known as kleptoparasitism where it steals food from other seabirds.
The survival of this species is inextricably linked to the fragile ecosystem of Christmas Island, its only known nesting ground. The bird's design—a lightweight skeleton and high wing-loading—allows it to remain aloft for weeks at a time over the open ocean, rarely touching the water. Despite its evolutionary success as an apex maritime predator, the population has faced significant decline due to habitat loss and environmental shifts, prompting extensive conservation efforts to preserve the nesting sites that have supported the species for millennia.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
Real birds collectors on collecto.rs who have this in their public collection.
About Christmas Island Frigatebird
Christmas Island Frigatebird is a bird in the Birdwatching catalog on collecto.rs. Catalog data is sourced from eBird. No public birds collectors track this one yet — adding yours would make you the first on collecto.rs.
How many collectors track Christmas Island Frigatebird on collecto.rs?
Christmas Island Frigatebird doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of Christmas Island Frigatebird?
Yes. collecto.rs is free — sign up to log your bird, upload photos, record condition, edition, and acquisition cost, and connect with other birdwatching collectors. Your collection stays private by default.
Where does the Christmas Island Frigatebird catalog entry come from?
The catalog entry for Christmas Island Frigatebird is sourced from eBird. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is collecto.rs birds tracking free?
Yes. Tracking your birds is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every bird you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free







