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

Belted Kingfisher Population Trend in New Hampshire

All statesGeneralists

Belted Kingfisher in New Hampshire has edged down: down 11% on the route-weighted index since 1968.

-11%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
26Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Belted Kingfisher Trends in New HampshireNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Belted Kingfisher in New Hampshire. See the full index history below.

Belted Kingfisher Population Forecast in New Hampshire

If the recent trend holds, Belted Kingfisher in New Hampshire is projected to fall about 60% by 2029 — from 0.64 in 2024 to a central estimate of 0.26 (95% range 0.00–0.56). A 5-year backtest shows a typical error of ±36.7%, with 60% of held-out values landing inside the 95% band.

-60%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.26Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.5695% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±36.7%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Belted Kingfisher in New Hampshire is projected to fall about 60% by 2029 — from 0.64 in 2024 to a central estimate of 0.26 (95% range 0.00–0.56). A 5-year backtest shows a typical error of ±36.7%, with 60% of held-out values landing inside the 95% band.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 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20250.270.000.58
20260.270.000.57
20270.260.000.57
20280.260.000.57
20290.260.000.56

Belted Kingfisher Survey Routes in New Hampshire

Routes recording Belted Kingfisher in New Hampshire.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Milan320241969
Fitzwilliam220241971
Mt Chocorua220241969
Crawford Not219731966
Franconia220241969
Jeffers Ntch220241994
Peterborough120241978
Brentwood119861966
Dover120231969
Hopkinton120161978
Epsom120161977
Concord120191975
Strafford119661966
Canterbury120211966
Gilmantn I W120221974
Wilmot120211970
Walpole120211966
Marlow120231966
Lempster120241970
Jefferson Hl120231966
Stratford120191966
Dixvil Notch120131967
Clarksville120241967
Glen120171976
East Kingston120232003

Belted Kingfisher Population Trend in Other States

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

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