BirdAnalyst
Family · Sittidae · Passeriformes

Nuthatches Population Trends

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

Nuthatches 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
Brown-headed NuthatchForest birds+17%1968
Pygmy NuthatchForest birds+70%1970
White-breasted NuthatchForest birds+170%1968
Red-breasted NuthatchForest birds+664%1968