BirdAnalyst
Species · BCR 23 · BBS 2026 Release · 1966–2025

American Crow In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionGeneralists

American Crow in Prairie Hardwood Transition has edged up: up 23% on the route-weighted index since 1968.

+23%Since 1968TrendPercent 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 →
161Routes 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 →
59YearsYears 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 American Crow in Prairie Hardwood Transition. See the full index history below.

American Crow In Prairie Hardwood Transition Population Forecast

If the recent trend holds, American Crow in Prairie Hardwood Transition is projected to rise about 28% by 2030 — from 30 in 2025 to a central estimate of 39 (95% range 28–50). A 5-year backtest shows a typical error of ±25.7%, with 80% of held-out values landing inside the 95% band.

+28%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 →
39Projected 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 →
28–5095% 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 →
±25.7%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 Prairie Hardwood Transition is projected to rise about 28% by 2030 — from 30 in 2025 to a central estimate of 39 (95% range 28–50). A 5-year backtest shows a typical error of ±25.7%, with 80% of held-out values landing inside the 95% band.19662030
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 →
2026392849
2027392849
2028392849
2029392850
2030392850

Routes In Prairie Hardwood Transition

Routes recording American Crow in Prairie Hardwood Transition.
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 →
OmroWISCONSIN1252001
MerideanWISCONSIN822025
DeckervilleMICHIGAN802024
Wis RapidsWISCONSIN732023
PrincetonWISCONSIN702024
HolwayWISCONSIN681989
New LisbonWISCONSIN662025
Stevens PtWISCONSIN612023
North BranchMICHIGAN591999
N FreedomWISCONSIN592025
DresserWISCONSIN572025
Pt WashingtnWISCONSIN572024
Caledonia 2MINNESOTA552025
ScottvilleMICHIGAN532025
LoraineWISCONSIN522025
KendallWISCONSIN502025
Chatfield 2MINNESOTA492025
WhitewaterMINNESOTA492000
TrempealeauWISCONSIN492025
GreshamWISCONSIN482025
WeyerhauserWISCONSIN472025
GalesburgMICHIGAN462025
UnityWISCONSIN462025
Beaver DamWISCONSIN462023
No BradleyMICHIGAN452025

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