Large-billed Antwren
Herpsilochmus longirostris
The large-billed antwren is a species of bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is found in Bolivia and Brazil. Source
Where it is now
In the last 8 weeks this bird was recorded 1,130 times across 3 areas (each area is a 5 degree square).
See the Large-billed Antwren 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 |
|---|---|---|---|---|
| South America | 13 July 2026 | 13 July 2026 | 7 September 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.