BirdAnalyst
Family · Cardinalidae · Passeriformes

Cardinals & Grosbeaks Population Trends

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

Cardinals & Grosbeaks 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
PyrrhuloxiaForest birds-68%1969
Indigo BuntingForest birds-33%1968
Rose-breasted GrosbeakForest birds-27%1968
DickcisselGrassland birds-22%1968
Scarlet TanagerForest birds-20%1968
Northern CardinalForest birds-4%1968
Summer TanagerForest birds-2%1968
Painted BuntingForest birds+37%1968
Varied BuntingForest birds+50%1970
Blue GrosbeakForest birds+64%1968
Lazuli BuntingForest birds+382%1969
Black-headed GrosbeakForest birds+384%1969
Hepatic TanagerForest birds+387%1970
Western TanagerForest birds+549%1969