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

Northern Mockingbird Population Trend in Nevada

All statesGeneralists

Northern Mockingbird in Nevada has increased: up 50% on the route-weighted index since 1970.

+50%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 →
40Routes 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 →
49YearsYears 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 Mockingbird 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 Northern Mockingbird in Nevada. See the full index history below.

Northern Mockingbird Population Forecast in Nevada

If the recent trend holds, Northern Mockingbird in Nevada is projected to rise about 26% by 2029 — from 2.8 in 2024 to a central estimate of 3.5 (95% range 0.00–7.1). A 5-year backtest shows a typical error of ±90.3%, with 80% of held-out values landing inside the 95% band.

+26%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 →
3.5Projected 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 →
0.00–7.195% 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 →
±90.3%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, Northern Mockingbird in Nevada is projected to rise about 26% by 2029 — from 2.8 in 2024 to a central estimate of 3.5 (95% range 0.00–7.1). A 5-year backtest shows a typical error of ±90.3%, with 80% 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 →
20253.40.006.9
20263.40.007.0
20273.50.007.0
20283.50.007.0
20293.50.007.1

Northern Mockingbird Survey Routes in Nevada

Routes recording Northern Mockingbird 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 →
Caliente7720191988
Nelson1520241995
Ruby Valley 21420212009
Frenchman1219781977
Willis1220241988
Alamo1219731968
Ash Meadows1020241993
Desert Nwr820241990
Beatty720241989
Jean Lake620101973
Toiyabe Nf520242002
Darroughs Hot Spgs420242007
Cortez320241969
Majors Place320241990
Minerva320241988
Silver Peak320062006
Fallon320221997
Piute Mdws220242005
Sand Pass220221993
Walker Can220222021
Mizpah220171993
Gardnerville220042004
Hiko220231968
Virgin Creek220152006
Chimney Res.220232007

Northern Mockingbird Population Trend in Other States

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

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