BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Mountain Bluebird In Northern Rockies

All regionsNorthern RockiesForest birds

Mountain Bluebird in Northern Rockies has held roughly steady: down 7% on the route-weighted index since 1970.

-7%Since 1970
206Routes In Region
56Years

Notable Signals

No notable trend signals for Mountain Bluebird in Northern Rockies. See the full index history below.

Forecast

If the recent trend holds, Mountain Bluebird in Northern Rockies is projected to stay roughly flat through 2029, near 3.2 (95% range 1.9–4.6). A 5-year backtest shows a typical error of ±16.6%, with 100% of held-out values landing inside the 95% band.

-8%Change by 2029
3.2Projected 2029 index
1.9–4.695% range
±16.6%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
20253.31.94.6
20263.31.94.6
20273.31.94.6
20283.31.94.6
20293.21.94.6

Routes In Northern Rockies

Routes recording Mountain Bluebird in Northern Rockies.
MeeteetseWYOMING342024
Clover CreekOREGON322024
Mtn ViewWYOMING312024
Red RockMONTANA282024
Silver CreekOREGON222024
Green RiverWYOMING221984
Donelly 2OREGON192024
PolsonMONTANA132024
MonumentOREGON132024
Crazy WomanWYOMING132024
CloverlandWASHINGTON122024
ErvayWYOMING122024
Sawtooth CtyIDAHO112014
Pagil GulchMONTANA112024
DuboisWYOMING112024
Crawford MtsUTAH102023
Prior FlatsWYOMING102024
CrowheartWYOMING92021
Flamin GorgeWYOMING92024
CarterWYOMING92016
Rock Springs 2WYOMING92024
WoodruffUTAH82024
Patrick DrawWYOMING81980
Browns ParkCOLORADO72024
ChestnutMONTANA72024

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