BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

Northern Pintail Population Trend in New Mexico

All statesWaterfowl

Northern Pintail in New Mexico has fallen sharply: down 59% on the route-weighted index since 1973.

-59%Since 1973TrendPercent 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 →
5Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
13YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Northern Pintail Trends in New MexicoNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Northern Pintail has fallen sharply in New Mexico: down 59% on the route-weighted index since 1973.

Northern Pintail Survey Routes in New Mexico

Routes recording Northern Pintail in New Mexico.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Grenville1619851968
Maxwell320092002
Wagon Mound219731971
Laborcita120022002
Gage119731973

Northern Pintail Population Trend in Other States

alaskaarizonacaliforniacoloradoidahoillinoisindianaiowakansasmainemichiganminnesotamissourimontananebraskanevadanew-yorknorth-dakotaohiooklahomaoregonsouth-dakotatexasutahvermontwashingtonwisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.