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

Eastern Screech-Owl In Edwards Plateau

All regionsEdwards PlateauBirds of prey

Eastern Screech-Owl in Edwards Plateau has fallen sharply: down 68% on the route-weighted index since 1978.

-68%Since 1978TrendPercent 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 →
11Routes 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 →
18YearsYears 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 declinecomputed 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 →

Eastern Screech-Owl has fallen sharply in Edwards Plateau: down 68% on the route-weighted index since 1978.

Eastern Screech-Owl In Edwards Plateau Population Forecast

If the recent trend holds, Eastern Screech-Owl in Edwards Plateau is projected to fall about 58% by 2030 — from 0.06 in 2025 to a central estimate of 0.03 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±24.7%, with 100% of held-out values landing inside the 95% band.

-58%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 →
0.03Projected 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 →
0.00–0.2095% 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 →
±24.7%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, Eastern Screech-Owl in Edwards Plateau is projected to fall about 58% by 2030 — from 0.06 in 2025 to a central estimate of 0.03 (95% range 0.00–0.20). A 5-year backtest shows a typical error of ±24.7%, with 100% of held-out values landing inside the 95% band.19712030
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 →
20260.040.000.21
20270.040.000.20
20280.030.000.20
20290.030.000.20
20300.030.000.20

Routes In Edwards Plateau

Routes recording Eastern Screech-Owl 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 →
HarperTEXAS21973
San SabaTEXAS21971
PidcokeTEXAS22004
BoerneTEXAS11986
UtopiaTEXAS12007
Valley SpgsTEXAS12008
AdamsvilleTEXAS11986
Indian MtnTEXAS12017
Dripping SpgTEXAS12004
Pidcoke 2TEXAS12025
LeakeyTEXAS12005

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