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Species · BCR 20 · BBS 2026 Release · 1966–2025

Bewick's Wren In Edwards Plateau

All regionsEdwards PlateauForest birds

Bewick's Wren in Edwards Plateau has increased: up 43% on the route-weighted index since 1969.

+43%Since 1969TrendPercent 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 →
19Routes 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 →

No notable trend signals for Bewick's Wren in Edwards Plateau. See the full index history below.

Bewick's Wren In Edwards Plateau Population Forecast

If the recent trend holds, Bewick's Wren in Edwards Plateau is projected to stay roughly flat through 2030, near 36 (95% range 21–50). A 5-year backtest shows a typical error of ±37%, with 80% of held-out values landing inside the 95% band.

+7%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 →
36Projected 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 →
21–5095% 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 →
±37%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, Bewick's Wren in Edwards Plateau is projected to stay roughly flat through 2030, near 36 (95% range 21–50). A 5-year backtest shows a typical error of ±37%, with 80% of held-out values landing inside the 95% band.19672030
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 →
2026352049
2027352050
2028352150
2029362150
2030362150

Routes In Edwards Plateau

Routes recording Bewick's Wren 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 →
Allen CreekTEXAS732025
Indian MtnTEXAS652025
San SabaTEXAS472025
RockspringTEXAS442025
Dripping SpgTEXAS432025
LeakeyTEXAS422025
HarperTEXAS372025
UtopiaTEXAS292025
Prairie Mtn.TEXAS272025
Pidcoke 2TEXAS262025
MontellTEXAS262025
BoerneTEXAS242025
Valley SpgsTEXAS222025
KempnerTEXAS152025
AdamsvilleTEXAS152025
LeanderTEXAS142006
FitzhughTEXAS81983
PidcokeTEXAS52017
GeorgetownTEXAS11985

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