BirdAnalyst
Family · Mimidae · Passeriformes

Mockingbirds & Thrashers Population Trends

10 species tracked, ordered by long-term trend. Steepest declines first.

Mockingbirds & Thrashers species ranked by population trend.
TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
LeConte's ThrasherArid-land birds-97%1970
Bendire's ThrasherArid-land birds-70%1970
Brown ThrasherForest birds-60%1968
Northern MockingbirdGeneralists-48%1968
Gray CatbirdForest birds-21%1968
Curve-billed ThrasherArid-land birds-21%1969
California ThrasherArid-land birds-3%1970
Sage ThrasherArid-land birds+154%1970
Crissal ThrasherArid-land birds+798%1972
Long-billed ThrasherForest birds+874%1970