BirdAnalyst
Species · New Hampshire · BBS 2025 Release · 1966–2024

Eastern Bluebird Population Trend in New Hampshire

All statesForest birds

Eastern Bluebird in New Hampshire has surged: up 393% on the route-weighted index since 1968.

+393%Since 1968
26Routes In State
58Years

Notable Eastern Bluebird Trends in New Hampshire

long arc increasecomputed index

Eastern Bluebird has surged in New Hampshire: up 393% on the route-weighted index since 1968.

Eastern Bluebird Population Forecast in New Hampshire

If the recent trend holds, Eastern Bluebird in New Hampshire is projected to fall about 52% by 2029 — from 3.5 in 2024 to a central estimate of 1.7 (95% range 0.67–2.7). A 5-year backtest shows a typical error of ±47.8%, with 20% of held-out values landing inside the 95% band.

-52%Change by 2029
1.7Projected 2029 index
0.67–2.795% range
±47.8%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
20251.60.572.6
20261.60.602.6
20271.60.622.7
20281.70.652.7
20291.70.672.7

Eastern Bluebird Survey Routes in New Hampshire

Routes recording Eastern Bluebird in New Hampshire.
Dover1420241966
Fitzwilliam920241966
East Kingston820242001
Walpole720241968
Concord620241966
Canterbury620241969
Peterborough520241966
Strafford520241966
Gilmantn I W420241972
Stratford419951966
Mt Chocorua320241969
Marlow320241966
Dixville Notch 2320232023
Hopkinton220241967
Crawford Not219721970
Franconia220221967
Dixvil Notch220121970
Glen220241975
Brentwood119981971
Epsom120231966
Wilmot120231966
Lempster120241969
Jefferson Hl120241983
Milan120241976
Clarksville120101995

Eastern Bluebird Population Trend in Other States

alabamaarizonaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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