Marble-faced Bristle-Tyrant
Phylloscartes ophthalmicus
The marble-faced bristle tyrant is a species of passerine bird in the family Tyrannidae, the tyrant flycatchers. It is found in Bolivia, Colombia, Ecuador, Peru, and Venezuela. Source
Where it is now
In the last 8 weeks this bird was recorded 481 times across 2 areas (each area is a 5 degree square).
See the Marble-faced Bristle-Tyrant 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 | 8 June 2026 | 8 June 2026 | 3 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.