Gull-billed Tern
Gelochelidon nilotica

The gull-billed tern is a tern in the family Laridae. It is widely distributed and breeds in scattered localities in Europe, Asia, northwest Africa, and the Americas. The Australian gull-billed tern was previously considered a subspecies. Source
Where it is now
In the last 8 weeks this bird was recorded 198 times across 8 areas (each area is a 5 degree square).
See the Gull-billed Tern on the live map
Arrival dates
The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| Oceania | 12 January 2026 | 12 January 2026 | 17 August 2026 | 1 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.