BirdAnalyst
Species · BCR 17 · BBS 2025 Release · 1966–2024

Brown Creeper In Badlands and Prairies

All regionsBadlands and PrairiesForest birds

Brown Creeper in Badlands and Prairies has increased: up 46% on the route-weighted index since 1998.

+46%Since 1998TrendPercent 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 →
10Routes 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 →
20YearsYears 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 Brown Creeper in Badlands and Prairies. See the full index history below.

Brown Creeper In Badlands and Prairies Population Forecast

If the recent trend holds, Brown Creeper in Badlands and Prairies is projected to stay roughly flat through 2024, near 0.03 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±195.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2024TrendPercent 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 →
0.03Projected 2024 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.0995% 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 →
±195.6%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, Brown Creeper in Badlands and Prairies is projected to stay roughly flat through 2024, near 0.03 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±195.6%, with 100% of held-out values landing inside the 95% band.19962024
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 →
20200.030.000.09
20210.030.000.09
20220.030.000.09
20230.030.000.09
20240.030.000.09

Routes In Badlands and Prairies

Routes recording Brown Creeper 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 →
NorbeckSOUTH-DAKOTA42001
Hill CitySOUTH-DAKOTA22013
Black FoxSOUTH-DAKOTA22017
Silver CitySOUTH-DAKOTA22012
CusterSOUTH-DAKOTA12011
Long DrawSOUTH-DAKOTA12019
Elk MountainSOUTH-DAKOTA12000
RochfordSOUTH-DAKOTA12013
HazelrodtSOUTH-DAKOTA12010
Wind Cave NpSOUTH-DAKOTA12006

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