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

Mountain Chickadee In Northern Rockies

All regionsNorthern RockiesForest birds

Mountain Chickadee in Northern Rockies has edged up: up 19% on the route-weighted index since 1970.

+19%Since 1970
150Routes In Region
56Years

Notable Signals

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

Forecast

If the recent trend holds, Mountain Chickadee in Northern Rockies is projected to rise about 16% by 2029 — from 3.6 in 2024 to a central estimate of 4.2 (95% range 2.1–6.3). A 5-year backtest shows a typical error of ±28.8%, with 100% of held-out values landing inside the 95% band.

+16%Change by 2029
4.2Projected 2029 index
2.1–6.395% range
±28.8%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
20254.12.16.2
20264.22.16.2
20274.22.16.2
20284.22.16.3
20294.22.16.3

Routes In Northern Rockies

Routes recording Mountain Chickadee in Northern Rockies.
DonnellyOREGON392006
DesolationOREGON322007
YellowstoneWYOMING312022
Colter BayWYOMING281999
OchocoOREGON241982
Colter Bay 2WYOMING242024
West ThumbWYOMING221982
BarnhouseOREGON212024
SilviesOREGON202024
CobaltIDAHO192024
Mount VernonOREGON192024
Omak CreekWASHINGTON192024
Crazy WomanWYOMING182024
Hayden ValWYOMING181986
Silver CreekOREGON172024
Hash RockOREGON172024
Howard Mdws.OREGON162024
Hells CanyonOREGON162022
Eagle CreekOREGON152022
Donelly 2OREGON152024
Greenoagh 2MONTANA142011
Wise RiverMONTANA132024
Hebgen LakeMONTANA132024
CurlewWASHINGTON132013
Hunter PeakWYOMING132024

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