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

Northern House Wren Population Trend in New Hampshire

All statesForest birds

Northern House Wren in New Hampshire has surged: up 103% on the route-weighted index since 1968.

+103%Since 1968
26Routes In State
58Years

Notable Northern House Wren Trends in New Hampshire

long arc increasecomputed index

Northern House Wren has surged in New Hampshire: up 103% on the route-weighted index since 1968.

Northern House Wren Population Forecast in New Hampshire

If the recent trend holds, Northern House Wren in New Hampshire is projected to fall about 34% by 2029 — from 6.8 in 2024 to a central estimate of 4.5 (95% range 1.8–7.2). A 5-year backtest shows a typical error of ±54.8%, with 0% of held-out values landing inside the 95% band.

-34%Change by 2029
4.5Projected 2029 index
1.8–7.295% range
±54.8%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
20254.41.77.1
20264.51.87.1
20274.51.87.2
20284.51.87.2
20294.51.87.2

Northern House Wren Survey Routes in New Hampshire

Routes recording Northern House Wren in New Hampshire.
Dover1920241966
Concord1620241966
Fitzwilliam1220241966
Hopkinton1220241966
Marlow1220241966
Strafford1120241966
Walpole1120241966
Glen920241975
Canterbury820241969
Wilmot620241968
East Kingston620241999
Gilmantn I W520241969
Mt Chocorua520241968
Epsom420231966
Lempster420241969
Peterborough320241966
Jefferson Hl320241966
Franconia320241966
Milan320241966
Brentwood219981966
Stratford220231966
Dixvil Notch220162016
Crawford Not119751968
Clarksville120211974
Jeffers Ntch120161993

Northern House Wren Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoconnecticutdelawaregeorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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