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

Mountain Bluebird In Great Basin

All regionsGreat BasinForest birds

Mountain Bluebird in Great Basin has edged down: down 11% on the route-weighted index since 1970.

-11%Since 1970
148Routes In Region
56Years

Notable Signals

No notable trend signals for Mountain Bluebird in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Mountain Bluebird in Great Basin is projected to stay roughly flat through 2029, near 2.3 (95% range 1.1–3.5). A 5-year backtest shows a typical error of ±15.3%, with 100% of held-out values landing inside the 95% band.

+2%Change by 2029
2.3Projected 2029 index
1.1–3.595% range
±15.3%Backtest error
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 index95% low95% high
20252.31.23.5
20262.31.23.5
20272.31.13.5
20282.31.13.5
20292.31.13.5

Routes In Great Basin

Routes recording Mountain Bluebird in Great Basin.
BuchananOREGON332024
Dougal ResIDAHO312024
BickletonWASHINGTON302019
Bly 2OREGON262024
Green Mtn.OREGON252024
IngallsCALIFORNIA232001
BridgeportCALIFORNIA211973
MacdoelCALIFORNIA202019
HyrumUTAH201979
RanchograndeNEVADA192024
Walker CanNEVADA192024
Lone RockOREGON182024
Crooked Riv.OREGON172024
EllensburgWASHINGTON172024
Crowder FlatCALIFORNIA162019
PomeroyWASHINGTON162024
HackamoreCALIFORNIA142010
PaisleyOREGON142024
NewcastleUTAH132022
DeschutesOREGON112024
Barnes ValOREGON101987
AsotinWASHINGTON92024
Mud LakeIDAHO72004
IllipahNEVADA72021
Deep SpringsCALIFORNIA62022

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