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

Northern Mockingbird Population Trend in New Hampshire

All statesGeneralists

Northern Mockingbird in New Hampshire has surged: up 856% on the route-weighted index since 1969.

+856%Since 1969
24Routes In State
57Years

Notable Northern Mockingbird Trends in New Hampshire

long arc increasecomputed index

Northern Mockingbird has surged in New Hampshire: up 856% on the route-weighted index since 1969.

Northern Mockingbird Population Forecast in New Hampshire

If the recent trend holds, Northern Mockingbird in New Hampshire is projected to rise about 85% by 2029 — from 0.46 in 2024 to a central estimate of 0.84 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±167.9%, with 100% of held-out values landing inside the 95% band.

+85%Change by 2029
0.84Projected 2029 index
0.00–2.195% range
±167.9%Backtest error
19672029
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
20250.840.002.1
20260.840.002.1
20270.840.002.1
20280.840.002.1
20290.840.002.1

Northern Mockingbird Survey Routes in New Hampshire

Routes recording Northern Mockingbird in New Hampshire.
Marlow1020071980
Brentwood919981972
Concord520241970
Clarksville420011971
Glen320081981
Peterborough220241977
Epsom220231978
Gilmantn I W220101979
East Kingston220241999
Fitzwilliam120131975
Dover120241967
Hopkinton119951976
Strafford120221979
Canterbury120181987
Wilmot120232003
Mt Chocorua120232000
Walpole120141976
Lempster119921980
Jefferson Hl120161991
Franconia120191989
Milan120031984
Stratford120232001
Dixvil Notch119991994
Jeffers Ntch120062006

Northern Mockingbird Population Trend in Other States

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

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