
Image via Macaulay Library
Swallow-tailed Gull
- Scientific name
- Creagrus furcatus
- Family
- Laridae
- Conservation status
- Least concern
- Habitat
- Aquatic ocean
- Wing shape
- Pointed
- Tail shape
- Forked
Where it came from
The Swallow-tailed Gull, scientifically identified as Creagrus furcatus, is an endemic species primarily associated with the Galápagos Islands. Evolutionary biologists identify the species as a unique lineage within the Laridae family, having adapted specifically to the nutrient-rich waters surrounding the archipelago. Its distinctive physiological traits, including its pointed wings and signature deeply forked tail, were shaped by the ecological pressures of its remote environment, particularly its reliance on nocturnal hunting.
The bird was first formally described by French naturalists in the 19th century, drawing significant interest from the scientific community due to its nocturnal habits, which are atypical for gulls. Its design reflects a highly specialized evolutionary trajectory, featuring large eyes for low-light navigation and a unique vocalization system used to locate food and mates in the dark. It remains a focal point of ornithological study as the world's only fully nocturnal gull species.
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 Swallow-tailed Gull
Swallow-tailed Gull 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 Swallow-tailed Gull on collecto.rs?
Swallow-tailed Gull 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 Swallow-tailed Gull?
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 Swallow-tailed Gull catalog entry come from?
The catalog entry for Swallow-tailed Gull 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










