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-51%1968
American GoldfinchForest birds-38%1968
Evening GrosbeakForest birds-11%1968
Lawrence's GoldfinchForest birds+25%1970
Cassin's FinchForest birds+132%1970
Red CrossbillForest birds+150%1969
Lesser GoldfinchForest birds+201%1969
Pine GrosbeakForest birds+344%1972
Pine SiskinForest birds+461%1968
House FinchGeneralists+515%1968
White-winged CrossbillForest birds49×1972