Black-chested Jay
Cyanocorax affinis
The black-chested jay is a species of bird in the family Corvidae. Source
Where it is now
In the last 8 weeks this bird was recorded 3,257 times across 4 areas (each area is a 5 degree square).
See the Black-chested Jay 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 | 25 May 2026 | 24 August 2026 | 20 July 2026 | 2 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.