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

Ruby-crowned Kinglet Population Trend in New Hampshire

All statesForest birds

Ruby-crowned Kinglet in New Hampshire has edged down: down 23% on the route-weighted index since 1968.

-23%Since 1968
15Routes In State
58Years

Notable Ruby-crowned Kinglet Trends in New Hampshire

No notable trend signals for Ruby-crowned Kinglet in New Hampshire. See the full index history below.

Ruby-crowned Kinglet Population Forecast in New Hampshire

If the recent trend holds, Ruby-crowned Kinglet in New Hampshire is projected to fall about 37% by 2029 — from 0.32 in 2024 to a central estimate of 0.20 (95% range 0.00–0.85). A 5-year backtest shows a typical error of ±47.3%, with 100% of held-out values landing inside the 95% band.

-37%Change by 2029
0.20Projected 2029 index
0.00–0.8595% range
±47.3%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
20250.230.000.88
20260.230.000.88
20270.220.000.87
20280.210.000.86
20290.200.000.85

Ruby-crowned Kinglet Survey Routes in New Hampshire

Routes recording Ruby-crowned Kinglet in New Hampshire.
Clarksville420241966
Dixvil Notch320171966
Dixville Notch 2320242018
Lempster219801974
Jefferson Hl219841966
Glen220051976
Jeffers Ntch220161993
Fitzwilliam119851974
Wilmot119761976
Mt Chocorua119781978
Walpole119691969
Crawford Not119661966
Franconia119951966
Milan119961966
Stratford120231966

Ruby-crowned Kinglet Population Trend in Other States

alaskaarizonacaliforniacoloradoidahomainemichiganminnesotamontananevadanew-mexiconew-yorkoregonsouth-dakotautahvermontwashingtonwisconsinwyoming

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