Least Flycatcher
Empidonax minimus

The least flycatcher is a small insect-eating bird. It is the smallest Empidonax flycatcher in eastern North America. Source
Where it is now
In the last 8 weeks this bird was recorded 24,919 times across 59 areas (each area is a 5 degree square).
See the Least Flycatcher on the live map
Movement and weather
Each season it is first heard regularly where daytime highs are around 19°C (typically 16 to 23°C, from 43 areas).
Over the weeks it was present in the past year, its centre in North America ranged from 13°N in January to 53°N in June, about 4,400 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 | 13 April 2026 | 31 August 2026 | 8 June 2026 | 43 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.