Chalk-browed Mockingbird
Mimus saturninus
The chalk-browed mockingbird is a bird in the family Mimidae. It is found in Brazil, Bolivia, Argentina, Paraguay, Suriname, and Uruguay. Source
Where it is now
In the last 8 weeks this bird was recorded 670 times across 9 areas (each area is a 5 degree square).
See the Chalk-browed Mockingbird on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in South America ranged from 29°S in August to 14°S in August, about 1,700 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 |
|---|---|---|---|---|
| South America | 9 February 2026 | 23 March 2026 | 13 April 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.