BirdAnalyst
Family · Fringillidae · Passeriformes

Finches Population Trends

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

Finches 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
Gray-crowned Rosy-FinchForest birds-68%1984
Purple FinchForest birds-50%1968
American GoldfinchForest birds-39%1968
Lawrence's GoldfinchForest birds-4%1970
Evening GrosbeakForest birds+8%1968
Cassin's FinchForest birds+130%1970
Lesser GoldfinchForest birds+191%1969
Red CrossbillForest birds+215%1969
Pine GrosbeakForest birds+320%1972
Pine SiskinForest birds+384%1968
House FinchGeneralists+501%1968
White-winged CrossbillForest birds49×1972