BirdAnalyst
Family · Caprimulgidae · Caprimulgiformes

Nightjars & Nighthawks Population Trends

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

Nightjars & Nighthawks 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
Eastern Whip-poor-willAerial insectivores-79%1968
Chuck-will's-widowAerial insectivores-56%1968
Common PauraqueAerial insectivores-32%1969
Common NighthawkAerial insectivores-4%1968
Mexican Whip-poor-willAerial insectivores+46%1979
Lesser NighthawkAerial insectivores+61%1969
Common PoorwillAerial insectivores+64%1969