BirdAnalyst
Species · Idaho · BBS 2025 Release · 1966–2024

Sandhill Crane Population Trend in Idaho

All statesWetland birds

Sandhill Crane in Idaho has surged: up 398% on the route-weighted index since 1972.

+398%Since 1972TrendPercent 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 →
31Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
54YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Sandhill Crane Trends in IdahoNotable 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 Idaho: up 398% on the route-weighted index since 1972.

Sandhill Crane Population Forecast in Idaho

If the recent trend holds, Sandhill Crane in Idaho is projected to fall about 34% by 2029 — from 2.8 in 2024 to a central estimate of 1.9 (95% range 0.00–4.7). A 5-year backtest shows a typical error of ±53.1%, with 100% of held-out values landing inside the 95% band.

-34%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 →
1.9Projected 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 →
0.00–4.795% 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 →
±53.1%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 Idaho is projected to fall about 34% by 2029 — from 2.8 in 2024 to a central estimate of 1.9 (95% range 0.00–4.7). A 5-year backtest shows a typical error of ±53.1%, with 100% of held-out values landing inside the 95% band.19702029
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 →
20251.90.004.7
20261.90.004.7
20271.90.004.7
20281.90.004.7
20291.90.004.7

Sandhill Crane Survey Routes in Idaho

Routes recording Sandhill Crane in Idaho.
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 →
Henry5419831973
Cape Horn3620241986
Leadore1520241980
Preston1220231988
Bates720231988
Crane Creek620081996
Picabo620211988
Cabarton620231986
Baker520241980
Cascade519831983
Sawtooth City 2520242015
Sawtooth Cty520141988
Iron Springs420241988
Mud Lake420131996
Carey320171997
Daniels Res320171988
Naples220242024
Golden220112011
Squirrel220221971
Centerville220192005
Springfield220141970
Triangle220241996
Magic Mtn220192003
Dougal Res220241992
Blackft Res120171984

Sandhill Crane Population Trend in Other States

alaskacaliforniacoloradofloridageorgiaillinoisindianaiowamassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-yorknorth-dakotaohiooregonpennsylvaniasouth-dakotautahwashingtonwisconsinwyoming

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