BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Oak Titmouse In Great Basin

All regionsGreat BasinForest birds

Oak Titmouse in Great Basin has surged: up 356% on the route-weighted index since 1980.

+356%Since 1980
9Routes In Region
39Years

Notable Signals

long arc increasecomputed index

Oak Titmouse has surged in Great Basin: up 356% on the route-weighted index since 1980.

Forecast

If the recent trend holds, Oak Titmouse in Great Basin is projected to rise about 90% by 2024 — from 0.17 in 2019 to a central estimate of 0.33 (95% range 0.17–0.49). A 5-year backtest shows a typical error of ±58.1%, with 60% of held-out values landing inside the 95% band.

+90%Change by 2024
0.33Projected 2024 index
0.17–0.4995% range
±58.1%Backtest error
19782024
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20200.310.140.47
20210.310.150.48
20220.320.150.48
20230.330.160.49
20240.330.170.49

Routes In Great Basin

Routes recording Oak Titmouse in Great Basin.
Iron GateCALIFORNIA252019
Fall River MillsCALIFORNIA92011
MacdoelCALIFORNIA42018
Clear Lk ResCALIFORNIA22014
BartleCALIFORNIA22015
NubieberCALIFORNIA12018
DorrisCALIFORNIA12012
TionestaCALIFORNIA12018
MerrillOREGON11996

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