Gray-breasted Martin
Progne chalybea
The grey-breasted martin is a large swallow from Central and South America. Source
Where it is now
In the last 8 weeks this bird was recorded 1,207 times across 15 areas (each area is a 5 degree square).
See the Gray-breasted Martin on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in South America ranged from 32°S in January to 8°S in August, about 2,700 km apart.
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 |
|---|---|---|---|---|
| North America | 8 June 2026 | 8 June 2026 | 22 June 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.