BirdAnalyst
Species · BCR 17 · BBS 2026 Release · 1966–2025

American Crow In Badlands and Prairies

All regionsBadlands and PrairiesGeneralists

American Crow in Badlands and Prairies has risen sharply: up 61% on the route-weighted index since 1969.

+61%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 →
114Routes 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 risen sharply in Badlands and Prairies: up 61% on the route-weighted index since 1969.

American Crow In Badlands and Prairies Population Forecast

If the recent trend holds, American Crow in Badlands and Prairies is projected to stay roughly flat through 2030, near 5.4 (95% range 3.2–7.6). A 5-year backtest shows a typical error of ±42.7%, with 100% of held-out values landing inside the 95% band.

+6%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 →
5.4Projected 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 →
3.2–7.695% 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 →
±42.7%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, American Crow in Badlands and Prairies is projected to stay roughly flat through 2030, near 5.4 (95% range 3.2–7.6). A 5-year backtest shows a typical error of ±42.7%, 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 →
20265.23.07.4
20275.23.07.4
20285.33.17.5
20295.33.17.5
20305.43.27.6

Routes In Badlands and Prairies

Routes recording American Crow in Badlands and Prairies.
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 →
BadlandsSOUTH-DAKOTA882025
Eagle ButteSOUTH-DAKOTA592015
SeelyWYOMING462000
Hehn DrawMONTANA392025
Seely 2WYOMING272025
CusterSOUTH-DAKOTA252025
SundanceWYOMING242025
EnglewoodSOUTH-DAKOTA232021
ArdmoreSOUTH-DAKOTA202016
Wind Cave NpSOUTH-DAKOTA202025
Roosevelt PkNORTH-DAKOTA182019
RosebudSOUTH-DAKOTA182011
Cabin CreekMONTANA172025
WinnerSOUTH-DAKOTA152025
Pleasant ValSOUTH-DAKOTA152024
Elk MountainSOUTH-DAKOTA152004
HazelrodtSOUTH-DAKOTA152025
RockyfordSOUTH-DAKOTA122025
Hill CitySOUTH-DAKOTA122013
Lightning CrSOUTH-DAKOTA122025
Miles CityMONTANA112025
Custer 2MONTANA112025
CrookstonNEBRASKA112025
CusterMONTANA102022
Roubaix LkSOUTH-DAKOTA101991

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