Plain-capped Starthroat
Heliomaster constantii

The plain-capped starthroat is a species of hummingbird in the "mountain gems", tribe Lampornithini in subfamily Trochilinae. It is found from Mexico to Costa Rica. Source
Where it is now
In the last 8 weeks this bird was recorded 10 times across 2 areas (each area is a 5 degree square).
See the Plain-capped Starthroat 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 |
|---|---|---|---|---|
| North America | 4 May 2026 | 4 May 2026 | 4 May 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.