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Species · Maine · BBS 2025 Release · 1966–2024

Red-breasted Nuthatch Population Trend in Maine

All statesForest birds

Red-breasted Nuthatch in Maine has surged: up 111% on the route-weighted index since 1968.

+111%Since 1968
78Routes In State
58Years

Notable Red-breasted Nuthatch Trends in Maine

long arc increasecomputed index

Red-breasted Nuthatch has surged in Maine: up 111% on the route-weighted index since 1968.

Red-breasted Nuthatch Population Forecast in Maine

If the recent trend holds, Red-breasted Nuthatch in Maine is projected to rise about 70% by 2029 — from 2.7 in 2024 to a central estimate of 4.6 (95% range 2.4–6.7). A 5-year backtest shows a typical error of ±26.8%, with 100% of held-out values landing inside the 95% band.

+70%Change by 2029
4.6Projected 2029 index
2.4–6.795% range
±26.8%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
20254.42.26.6
20264.42.26.6
20274.52.36.6
20284.52.36.7
20294.62.46.7

Red-breasted Nuthatch Survey Routes in Maine

Routes recording Red-breasted Nuthatch in Maine.
Pillsbury Pd1719681968
Seboomook Lk1520141972
Wilson Mills1120241983
Northfield1019811976
Carrabassett1020241983
Aurora920211975
Baxter919881977
Hudson920161973
Reeds820241990
Carrying Pl820241980
Ludlow819981968
Boundary820161993
Nesowadnehun820211990
Benton719801977
Winn720221969
Medway720181976
Grnd Lk Strm719991966
Horse Mtn720111983
East Troy620191973
Brooks620191977
Cooper620211975
Wytopitlock619981976
Weeks Brook620161995
Greenwood420231975
Eastbrook420241971

Red-breasted Nuthatch Population Trend in Other States

alaskaarizonacaliforniacoloradoconnecticutidahoillinoisindianakansasmarylandmassachusettsmichiganminnesotamontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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