BirdAnalyst
Species · BCR 28 · BBS 2025 Release · 1966–2024

Tufted Titmouse In Appalachian Mountains

All regionsAppalachian MountainsForest birds

Tufted Titmouse in Appalachian Mountains has surged: up 97% on the route-weighted index since 1968.

+97%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 →
404Routes 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 →
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 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 Appalachian Mountains: up 97% on the route-weighted index since 1968.

Tufted Titmouse In Appalachian Mountains Population Forecast

If the recent trend holds, Tufted Titmouse in Appalachian Mountains is projected to rise about 12% by 2029 — from 14 in 2024 to a central estimate of 16 (95% range 14–18). A 5-year backtest shows a typical error of ±12.5%, with 80% of held-out values landing inside the 95% band.

+12%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 →
16Projected 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 →
14–1895% 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 →
±12.5%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 Appalachian Mountains is projected to rise about 12% by 2029 — from 14 in 2024 to a central estimate of 16 (95% range 14–18). A 5-year backtest shows a typical error of ±12.5%, with 80% 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 →
2025151318
2026161318
2027161418
2028161418
2029161418

Routes In Appalachian Mountains

Routes recording Tufted Titmouse in Appalachian Mountains.
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 →
StevensonALABAMA682024
Kemah LakeNEW-JERSEY612024
RiversideALABAMA552013
BrevardNORTH-CAROLINA532024
JenningsMARYLAND452024
ChoccoloccoALABAMA442024
Cumberlnd GpKENTUCKY392018
Sunny EveALABAMA382024
CartersvilleGEORGIA382024
Pine GroveALABAMA372024
DuvallPENNSYLVANIA372021
DoverNEW-JERSEY362023
BramwellWEST-VIRGINIA362023
HubbardstownWEST-VIRGINIA362023
OdenvilleALABAMA352024
FinzelMARYLAND352024
Sleepy CreekWEST-VIRGINIA351990
GreensportALABAMA342024
CanadensisPENNSYLVANIA342024
HendersonWEST-VIRGINIA332023
TalladegaALABAMA322024
SturgillsNORTH-CAROLINA322024
PutnamVIRGINIA322021
GhentWEST-VIRGINIA322024
Borden Springs 2ALABAMA312024

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