BirdAnalyst
Species · BCR 20 · BBS 2025 Release · 1966–2024

Bushtit In Edwards Plateau

All regionsEdwards PlateauGeneralists

Bushtit in Edwards Plateau has held roughly steady: down 6% on the route-weighted index since 1980.

-6%Since 1980TrendPercent 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 →
12Routes 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 →
34YearsYears 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 →

No notable trend signals for Bushtit in Edwards Plateau. See the full index history below.

Bushtit In Edwards Plateau Population Forecast

If the recent trend holds, Bushtit in Edwards Plateau is projected to rise about 88% by 2029 — from 0.25 in 2024 to a central estimate of 0.47 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±101%, with 100% of held-out values landing inside the 95% band.

+88%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 →
0.47Projected 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 →
0.00–1.595% 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 →
±101%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, Bushtit in Edwards Plateau is projected to rise about 88% by 2029 — from 0.25 in 2024 to a central estimate of 0.47 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±101%, with 100% of held-out values landing inside the 95% band.19692029
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 →
20250.510.001.5
20260.500.001.5
20270.490.001.5
20280.480.001.5
20290.470.001.5

Routes In Edwards Plateau

Routes recording Bushtit in Edwards Plateau.
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 →
MontellTEXAS61995
BoerneTEXAS32010
LeakeyTEXAS32024
UtopiaTEXAS22005
HarperTEXAS22015
San SabaTEXAS22006
Dripping SpgTEXAS22013
KempnerTEXAS12009
Indian MtnTEXAS12024
Prairie Mtn.TEXAS12001
Allen CreekTEXAS12022
RockspringTEXAS12016

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