BirdAnalyst
Species · BCR 9 · BBS 2026 Release · 1966–2025

Juniper Titmouse In Great Basin

All regionsGreat BasinForest birds

Juniper Titmouse in Great Basin has risen sharply: up 53% on the route-weighted index since 1975.

+53%Since 1975TrendPercent 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 →
49Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
48YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Juniper Titmouse in Great Basin. See the full index history below.

Juniper Titmouse In Great Basin Population Forecast

If the recent trend holds, Juniper Titmouse in Great Basin is projected to rise about 55% by 2030 — from 0.09 in 2025 to a central estimate of 0.14 (95% range 0.02–0.26). A 5-year backtest shows a typical error of ±104.2%, with 100% of held-out values landing inside the 95% band.

+55%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 →
0.14Projected 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 →
0.02–0.2695% 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 →
±104.2%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, Juniper Titmouse in Great Basin is projected to rise about 55% by 2030 — from 0.09 in 2025 to a central estimate of 0.14 (95% range 0.02–0.26). A 5-year backtest shows a typical error of ±104.2%, with 100% of held-out values landing inside the 95% band.19692030
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 →
20260.140.020.26
20270.140.020.26
20280.140.020.26
20290.140.020.26
20300.140.020.26

Routes In Great Basin

Routes recording Juniper Titmouse in Great Basin.
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 →
Magic MtnIDAHO61991
MinervaNEVADA61991
Carson RiverNEVADA62002
NubieberCALIFORNIA42004
CalienteNEVADA42019
Big PineCALIFORNIA32010
LikelyCALIFORNIA32025
Ruby Valley 2NEVADA32006
Indian PeakUTAH32013
Clear Lk ResCALIFORNIA22007
Crowder FlatCALIFORNIA22007
Majors PlaceNEVADA21991
MerrillOREGON22002
LynnUTAH22010
LeamingtonUTAH22016
Jericho JunctionUTAH22025
NewcastleUTAH22025
IngallsCALIFORNIA12025
RavendaleCALIFORNIA12008
BentonCALIFORNIA12014
BodieCALIFORNIA12024
Crowley LakeCALIFORNIA11994
Davis CreekCALIFORNIA12010
DorrisCALIFORNIA11990
Deep SpringsCALIFORNIA12022

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