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Species · Maine · BBS 2025 Release · 1966–2024

Black-capped Chickadee Population Trend in Maine

All statesForest birds

Black-capped Chickadee in Maine has surged: up 106% on the route-weighted index since 1968.

+106%Since 1968
78Routes In State
58Years

Notable Black-capped Chickadee Trends in Maine

long arc increasecomputed index

Black-capped Chickadee has surged in Maine: up 106% on the route-weighted index since 1968.

Black-capped Chickadee Population Forecast in Maine

If the recent trend holds, Black-capped Chickadee in Maine is projected to stay roughly flat through 2029, near 16 (95% range 11–21). A 5-year backtest shows a typical error of ±16.6%, with 100% of held-out values landing inside the 95% band.

+3%Change by 2029
16Projected 2029 index
11–2195% range
±16.6%Backtest error
19662029
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
2025151021
2026161121
2027161121
2028161121
2029161121

Black-capped Chickadee Survey Routes in Maine

Routes recording Black-capped Chickadee in Maine.
Turner 23520242011
Charleston3320191975
Brooks3220191977
Forest Sta2820001966
Westbrook2620241977
Turner2520101972
Northfield2519811976
Cornville2520242012
Brownfield2420092009
Topsfield2319961978
Brownfield 22120242010
Waite2019771977
Ft Fairfield2020051993
Reeds1920241983
Manchester1919951971
Hermon1920191966
Carrying Pl1820241979
Washburn1820051979
Eastbrook1720241971
Ludlow1719981968
Hancock1620241969
Greenwood1520241966
Bowdoin Ctr1520211971
Harmony1520241967
Aurora1520211975

Black-capped Chickadee Population Trend in Other States

alaskacaliforniacoloradoconnecticutidahoillinoisindianaiowakansasmarylandmassachusettsmichiganminnesotamissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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