BirdAnalyst
Family · Troglodytidae · Passeriformes

Wrens Population Trends

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

Wrens 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
Cactus WrenArid-land birds-22%1969
Sedge WrenGrassland birds-19%1968
Northern House WrenForest birds+27%1968
Canyon WrenForest birds+59%1969
Bewick's WrenForest birds+62%1968
Winter WrenForest birds+66%1968
Carolina WrenForest birds+109%1968
Marsh WrenForest birds+136%1968
Rock WrenForest birds+368%1969
Pacific WrenForest birds+488%1970