BirdAnalyst
Species · BCR 18 · BBS 2026 Release · 1966–2025

White-breasted Nuthatch In Shortgrass Prairie

All regionsShortgrass PrairieForest birds

White-breasted Nuthatch in Shortgrass Prairie has surged: up 565% on the route-weighted index since 1992.

+565%Since 1992TrendPercent 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 →
11Routes 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 →
33YearsYears 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 White-breasted Nuthatch in Shortgrass Prairie. See the full index history below.

White-breasted Nuthatch In Shortgrass Prairie Population Forecast

If the recent trend holds, White-breasted Nuthatch in Shortgrass Prairie is projected to fall about 30% by 2030 — from 0.26 in 2025 to a central estimate of 0.18 (95% range 0.05–0.32). A 5-year backtest shows a typical error of ±38.7%, with 100% of held-out values landing inside the 95% band.

-30%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 →
0.18Projected 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 →
0.05–0.3295% 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 →
±38.7%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, White-breasted Nuthatch in Shortgrass Prairie is projected to fall about 30% by 2030 — from 0.26 in 2025 to a central estimate of 0.18 (95% range 0.05–0.32). A 5-year backtest shows a typical error of ±38.7%, with 100% of held-out values landing inside the 95% band.19862030
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 →
20260.170.040.31
20270.170.040.31
20280.180.040.31
20290.180.040.31
20300.180.050.32

Routes In Shortgrass Prairie

Routes recording White-breasted Nuthatch in Shortgrass Prairie.
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 →
ElbertCOLORADO142025
Pine RidgeNEBRASKA52025
CrawfordNEBRASKA32024
KiowaCOLORADO22013
TrincheraCOLORADO12022
VillegreenCOLORADO12000
Kiowa 2COLORADO12025
Arsenal 2COLORADO12022
Murray LakeNEBRASKA12003
GrenvilleNEW-MEXICO11992
LingleWYOMING12014

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