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

Greater Roadrunner In Edwards Plateau

All regionsEdwards PlateauArid-land birds

Greater Roadrunner in Edwards Plateau has declined: down 32% on the route-weighted index since 1969.

-32%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 Greater Roadrunner in Edwards Plateau. See the full index history below.

Greater Roadrunner In Edwards Plateau Population Forecast

If the recent trend holds, Greater Roadrunner in Edwards Plateau is projected to stay roughly flat through 2030, near 1.1 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±87.2%, with 100% of held-out values landing inside the 95% band.

+0%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 →
1.1Projected 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 →
0.00–2.195% 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 →
±87.2%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, Greater Roadrunner in Edwards Plateau is projected to stay roughly flat through 2030, near 1.1 (95% range 0.00–2.1). A 5-year backtest shows a typical error of ±87.2%, with 100% 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 →
20261.10.002.1
20271.10.002.1
20281.10.002.1
20291.10.002.1
20301.10.002.1

Routes In Edwards Plateau

Routes recording Greater Roadrunner 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 →
San SabaTEXAS42025
Pidcoke 2TEXAS32025
LeakeyTEXAS32025
Indian MtnTEXAS22025
Prairie Mtn.TEXAS22024
Allen CreekTEXAS22025
BoerneTEXAS12010
UtopiaTEXAS12025
GeorgetownTEXAS11975
FitzhughTEXAS11982
Valley SpgsTEXAS12025
HarperTEXAS12024
PidcokeTEXAS12017
KempnerTEXAS12023
AdamsvilleTEXAS12023
Dripping SpgTEXAS12017
LeanderTEXAS12006
MontellTEXAS12024
RockspringTEXAS12025

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