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

American Crow In Edwards Plateau

All regionsEdwards PlateauGeneralists

American Crow in Edwards Plateau has surged: up 217% on the route-weighted index since 1969.

+217%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 →
15Routes 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 →

American Crow has surged in Edwards Plateau: up 217% on the route-weighted index since 1969.

American Crow In Edwards Plateau Population Forecast

If the recent trend holds, American Crow in Edwards Plateau is projected to stay roughly flat through 2030, near 4.1 (95% range 1.2–7.0). A 5-year backtest shows a typical error of ±39.6%, with 100% of held-out values landing inside the 95% band.

-1%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 →
4.1Projected 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 →
1.2–7.095% 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 →
±39.6%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, American Crow in Edwards Plateau is projected to stay roughly flat through 2030, near 4.1 (95% range 1.2–7.0). A 5-year backtest shows a typical error of ±39.6%, 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 →
20263.90.966.8
20273.91.06.9
20284.01.16.9
20294.01.17.0
20304.11.27.0

Routes In Edwards Plateau

Routes recording American Crow 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 →
Pidcoke 2TEXAS232025
LeanderTEXAS232006
AdamsvilleTEXAS162025
GeorgetownTEXAS131985
KempnerTEXAS112025
Manor 2TEXAS112025
PidcokeTEXAS52017
Dripping SpgTEXAS42025
Prairie Mtn.TEXAS32015
FitzhughTEXAS21975
San SabaTEXAS21969
BoerneTEXAS12025
Valley SpgsTEXAS11994
HarperTEXAS12005
ManorTEXAS12017

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