California Thrasher

Toxostoma redivivum

The California thrasher is a large member of family Mimidae found primarily in chaparral habitat in California in the United States and Baja California in Mexico. It is the only species of the genus Toxostoma throughout most of its range. Source

Where it is now

In the last 8 weeks this bird was recorded 62,285 times across 4 areas (each area is a 5 degree square).

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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.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.