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

Barred Owl Population Trend in New Hampshire

All statesGeneralists

Barred Owl in New Hampshire has surged: up 363% on the route-weighted index since 1969.

+363%Since 1969
25Routes In State
41Years

Notable Barred Owl Trends in New Hampshire

long arc increasecomputed index

Barred Owl has surged in New Hampshire: up 363% on the route-weighted index since 1969.

Barred Owl Population Forecast in New Hampshire

If the recent trend holds, Barred Owl in New Hampshire is projected to fall about 65% by 2029 — from 0.68 in 2024 to a central estimate of 0.24 (95% range 0.00–0.48). A 5-year backtest shows a typical error of ±42.3%, with 60% of held-out values landing inside the 95% band.

-65%Change by 2029
0.24Projected 2029 index
0.00–0.4895% range
±42.3%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
20250.230.000.47
20260.230.000.47
20270.230.000.47
20280.240.000.48
20290.240.000.48

Barred Owl Survey Routes in New Hampshire

Routes recording Barred Owl in New Hampshire.
Gilmantn I W520241993
Strafford420211966
Peterborough320211971
Brentwood319711971
Concord220242007
Marlow220241993
Fitzwilliam120221980
Dover120242012
Hopkinton120222022
Epsom120181980
Canterbury120241997
Wilmot120171972
Mt Chocorua120241967
Walpole120241977
Lempster120242016
Crawford Not119691969
Jefferson Hl120241995
Franconia120221969
Milan120081995
Stratford120092007
Dixvil Notch120152015
Clarksville120142014
Glen120171976
East Kingston120212003
Jeffers Ntch120092002

Barred Owl Population Trend in Other States

alabamaalaskaarkansascaliforniaconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-jerseynew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawashingtonwest-virginiawisconsin

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