BirdAnalyst
Species · Nevada · BBS 2026 Release · 1966–2025

Common Nighthawk Population Trend in Nevada

All statesAerial insectivores

Common Nighthawk in Nevada has edged down: down 12% on the route-weighted index since 1970.

-12%Since 1970TrendPercent 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 →
41Routes 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 →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

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

No notable trend signals for Common Nighthawk in Nevada. See the full index history below.

Common Nighthawk Population Forecast in Nevada

If the recent trend holds, Common Nighthawk in Nevada is projected to fall about 43% by 2030 — from 2.2 in 2025 to a central estimate of 1.3 (95% range 0.00–15). A 5-year backtest shows a typical error of ±16.9%, with 100% of held-out values landing inside the 95% band.

-43%Change by 2030TrendPercent 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 →
1.3Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–1595% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±16.9%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Common Nighthawk in Nevada is projected to fall about 43% by 2030 — from 2.2 in 2025 to a central estimate of 1.3 (95% range 0.00–15). A 5-year backtest shows a typical error of ±16.9%, with 100% of held-out values landing inside the 95% band.19682030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20261.60.0015
20271.50.0015
20281.40.0015
20291.40.0015
20301.30.0015

Common Nighthawk Survey Routes in Nevada

Routes recording Common Nighthawk in Nevada.
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 →
Dinner Sta4219931968
Caliente1920251999
Chimney Res.1320252013
Sutcliffe1219721968
Minerva1120241989
Ranchogrande920241988
Eureka820241968
Sand Pass720251979
Toiyabe Nf620241987
Carson River620012001
Mill City620162016
Virgin Creek520181997
Comins Lake420152006
Fish Creek320211998
Cortez320251968
Nixon320241973
Mizpah220161993
Illipah220211968
Gardnerville220021992
Humboldt Nf220191993
Piute Mdws120252005
Midas120221974
Rye Patch119721968
Walker Can120241968
Majors Place120251969

Common Nighthawk Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.