Species · Idaho · BBS 2025 Release · 1966–2024

Black-capped Chickadee Population Trend in Idaho

Black-capped Chickadee in Idaho has held roughly steady: down 5% on the route-weighted index since 1971.

-5%Since 1971
46Routes In State
55Years

Notable Black-capped Chickadee Trends in Idaho

No notable trend signals for Black-capped Chickadee in Idaho. See the full index history below.

Black-capped Chickadee Population Forecast in Idaho

If the recent trend holds, Black-capped Chickadee in Idaho is projected to fall about 28% by 2029 — from 1.5 in 2024 to a central estimate of 1.1 (95% range 0.00–2.9). A 5-year backtest shows a typical error of ±39.5%, with 100% of held-out values landing inside the 95% band.

-28%Change by 2029
1.1Projected 2029 index
0.002.995% range
±39.5%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
20251.10.002.9
20261.10.002.9
20271.10.002.9
20281.10.002.9
20291.10.002.9

Black-capped Chickadee Survey Routes in Idaho

Routes recording Black-capped Chickadee in Idaho.
Coolin1820241986
Lolo Pass1220161994
Naples820241972
Mivoden420231977
Sunbeam420191994
Featherville420241992
Nezperce Nf419991992
Avery320231983
Gifford320171972
Leadore320221975
Rochat Divde320231993
Alturas319871968
Nezperce220121989
Grangeville220231986
Baker220241975
Cascade219831968
Squirrel220241971
Ririe220231992
Pocatello220191987
Marble Creek220221988
Joel220241989
Burgdorf220151996
Yellow Pine220161998
Dougal Res220091988
Almo220221988

Black-capped Chickadee Population Trend in Other States

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