BirdAnalyst
Species · Maine · BBS 2025 Release · 1966–2024

Chipping Sparrow Population Trend in Maine

All statesGeneralists

Chipping Sparrow in Maine has surged: up 97% on the route-weighted index since 1968.

+97%Since 1968
74Routes In State
58Years

Notable Chipping Sparrow Trends in Maine

long arc increasecomputed index

Chipping Sparrow has surged in Maine: up 97% on the route-weighted index since 1968.

Chipping Sparrow Population Forecast in Maine

If the recent trend holds, Chipping Sparrow in Maine is projected to stay roughly flat through 2029, near 15 (95% range 11–19). A 5-year backtest shows a typical error of ±9.7%, with 100% of held-out values landing inside the 95% band.

+4%Change by 2029
15Projected 2029 index
11–1995% range
±9.7%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
2025151119
2026151119
2027151119
2028151119
2029151119

Chipping Sparrow Survey Routes in Maine

Routes recording Chipping Sparrow in Maine.
Bowdoin Ctr4820211971
Biddeford4520191973
Kittery Pt4220241966
Hermon3820191966
Westbrook3220241977
Manchester3219951971
Charleston3220191975
Northfield3119811976
Brooks2820191977
Cape Neddick2720241972
Turner 22720242011
East Troy2320191972
Eastbrook2220241971
Turner2020101972
Washburn1920051979
Cornville1920242012
Otisfield Gr1820151966
Carrabassett1720241983
Ft Fairfield1720051993
Brownfield1720092009
St David1620051982
Topsfield1619961978
Hudson1520161973
Searsport1520242002
Ashland1420081980

Chipping Sparrow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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