BirdAnalyst
Species · Nevada · BBS 2025 Release · 1966–2024

Bank Swallow Population Trend in Nevada

All statesAerial insectivores

Bank Swallow in Nevada has held roughly steady: up 2% on the route-weighted index since 1996.

+2%Since 1996TrendPercent 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 →
11Routes 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 →
20YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Bank Swallow 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 Bank Swallow in Nevada. See the full index history below.

Bank Swallow Population Forecast in Nevada

If the recent trend holds, Bank Swallow in Nevada is projected to rise about 103% by 2029 — from 0.39 in 2024 to a central estimate of 0.80 (95% range 0.00–6.4). A 5-year backtest shows a typical error of ±2301%, with 100% of held-out values landing inside the 95% band.

+103%Change by 2029TrendPercent 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 →
0.80Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–6.495% 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 →
±2301%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, Bank Swallow in Nevada is projected to rise about 103% by 2029 — from 0.39 in 2024 to a central estimate of 0.80 (95% range 0.00–6.4). A 5-year backtest shows a typical error of ±2301%, with 100% of held-out values landing inside the 95% band.19682029
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 →
20250.920.006.5
20260.890.006.5
20270.860.006.4
20280.830.006.4
20290.800.006.4

Bank Swallow Survey Routes in Nevada

Routes recording Bank Swallow 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 →
Gardnerville17920052001
Fallon1320141997
Gardnerville 21120242018
Dobbin Creek719961994
Carson River420022001
Ruby Valley419971997
Eureka420082008
Mill City320132013
Midas220212011
Dinner Sta219681968
Chimney Res.220132013

Bank Swallow Population Trend in Other States

alabamaalaskaarkansascaliforniacoloradoconnecticutdelawareidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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