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

Sandhill Crane In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionWetland birds

Sandhill Crane in Prairie Hardwood Transition has surged: up 42× on the route-weighted index since 1968.

42×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 →
126Routes 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 →

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 →

Sandhill Crane has surged in Prairie Hardwood Transition: up 42× on the route-weighted index since 1968.

Sandhill Crane In Prairie Hardwood Transition Population Forecast

If the recent trend holds, Sandhill Crane in Prairie Hardwood Transition is projected to rise about 40% by 2030 — from 6.8 in 2025 to a central estimate of 9.5 (95% range 7.4–12). A 5-year backtest shows a typical error of ±16.9%, with 100% of held-out values landing inside the 95% band.

+40%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 →
9.5Projected 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 →
7.4–1295% 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 →
±16.9%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, Sandhill Crane in Prairie Hardwood Transition is projected to rise about 40% by 2030 — from 6.8 in 2025 to a central estimate of 9.5 (95% range 7.4–12). A 5-year backtest shows a typical error of ±16.9%, with 100% 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 →
20268.86.711
20279.06.911
20289.17.011
20299.37.211
20309.57.412

Routes In Prairie Hardwood Transition

Routes recording Sandhill Crane 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 →
GrimmsWISCONSIN442021
OmroWISCONSIN432001
BriggsvilleWISCONSIN422025
Fall RiverWISCONSIN332025
Maple RapidsMICHIGAN292025
PrincetonWISCONSIN292024
MottvilleMICHIGAN282025
New LondonMINNESOTA282024
ParisWISCONSIN262025
Pt WashingtnWISCONSIN242024
MatherWISCONSIN222023
ClintonvilleWISCONSIN222025
NashvilleMICHIGAN202025
Beaver DamWISCONSIN192023
GreshamWISCONSIN192025
HebronWISCONSIN182025
HowardsvilleMICHIGAN172025
Bell Oak 2MICHIGAN172025
EdwardsMINNESOTA162024
ManawaWISCONSIN162025
BeloitWISCONSIN162025
Mukwonago 2WISCONSIN162025
Wis RapidsWISCONSIN152023
ManitowocWISCONSIN132024
Omro 2WISCONSIN132025

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