BirdAnalyst
Species · BCR 30 · BBS 2026 Release · 1966–2025

Tufted Titmouse In New England / Mid-Atlantic Coast

All regionsNew England / Mid-Atlantic CoastForest birds

Tufted Titmouse in New England / Mid-Atlantic Coast has surged: up 184% on the route-weighted index since 1968.

+184%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 →
161Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Tufted Titmouse has surged in New England / Mid-Atlantic Coast: up 184% on the route-weighted index since 1968.

Tufted Titmouse In New England / Mid-Atlantic Coast Population Forecast

If the recent trend holds, Tufted Titmouse in New England / Mid-Atlantic Coast is projected to rise about 15% by 2030 — from 23 in 2025 to a central estimate of 26 (95% range 23–30). A 5-year backtest shows a typical error of ±16.3%, with 60% of held-out values landing inside the 95% band.

+15%Change by 2030TrendPercent 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 →
26Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
23–3095% 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 →
±16.3%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, Tufted Titmouse in New England / Mid-Atlantic Coast is projected to rise about 15% by 2030 — from 23 in 2025 to a central estimate of 26 (95% range 23–30). A 5-year backtest shows a typical error of ±16.3%, with 60% of held-out values landing inside the 95% band.19662030
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 →
2026252229
2027262229
2028262230
2029262330
2030262330

Routes In New England / Mid-Atlantic Coast

Routes recording Tufted Titmouse in New England / Mid-Atlantic Coast.
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 →
BrocktonMASSACHUSETTS852019
CokesburyMARYLAND632025
BelchertownMASSACHUSETTS632025
Island CreekMARYLAND622025
WillimanticCONNECTICUT562018
Forest GroveMARYLAND542023
WarrenCONNECTICUT532011
HughesvilleMARYLAND462025
S BarreMASSACHUSETTS432025
La PlataMARYLAND422009
Furnace TownMARYLAND422025
Casimir Pulaski SfRHODE-ISLAND422018
PomonkeyMARYLAND402025
MarionMASSACHUSETTS402025
MansfieldMASSACHUSETTS392025
White StoneVIRGINIA382025
Woodstock 2CONNECTICUT372025
Quonset PtRHODE-ISLAND362025
GreenwichCONNECTICUT352018
Pr FrederickMARYLAND352025
NottinghamMARYLAND342025
Cape May ChNEW-JERSEY342013
HolleyvilleDELAWARE332004
HongaMARYLAND332025
FruitlandMARYLAND331998

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.