BirdAnalyst
Family · Odontophoridae · Galliformes

New World Quail Population Trends

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

New World Quail 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
Northern BobwhiteGame birds-88%1968
Scaled QuailGame birds-26%1969
Montezuma QuailGame birds+25%1978
California QuailGame birds+95%1970
Mountain QuailGame birds+106%1970
Gambel's QuailGame birds+139%1970