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

American Crow In Edwards Plateau

All regionsEdwards PlateauGeneralists

American Crow in Edwards Plateau has surged: up 150% on the route-weighted index since 1969.

+150%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 →
14Routes 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 →
57YearsYears 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 150% 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 rise about 84% by 2029 — from 2.2 in 2024 to a central estimate of 4.0 (95% range 1.1–7.0). A 5-year backtest shows a typical error of ±42.5%, with 100% of held-out values landing inside the 95% band.

+84%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 →
4.0Projected 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 →
1.1–7.095% 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 →
±42.5%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 rise about 84% by 2029 — from 2.2 in 2024 to a central estimate of 4.0 (95% range 1.1–7.0). A 5-year backtest shows a typical error of ±42.5%, with 100% of held-out values landing inside the 95% band.19672029
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 →
20253.80.866.8
20263.90.916.8
20273.90.966.9
20284.01.06.9
20294.01.17.0

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 →
LeanderTEXAS232006
AdamsvilleTEXAS152024
Pidcoke 2TEXAS142024
GeorgetownTEXAS131985
PidcokeTEXAS52017
KempnerTEXAS42024
BoerneTEXAS31993
Prairie Mtn.TEXAS32015
FitzhughTEXAS21975
San SabaTEXAS21969
Dripping SpgTEXAS22024
Valley SpgsTEXAS11994
HarperTEXAS12005
ManorTEXAS12017

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