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

Wood Duck In Badlands and Prairies

All regionsBadlands and PrairiesWaterfowl

Wood Duck in Badlands and Prairies has edged down: down 22% on the route-weighted index since 1988.

-22%Since 1988TrendPercent 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 →
39Routes 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 →
30YearsYears 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 Wood Duck in Badlands and Prairies. See the full index history below.

Wood Duck In Badlands and Prairies Population Forecast

If the recent trend holds, Wood Duck in Badlands and Prairies is projected to rise about 53% by 2029 — from 0.06 in 2024 to a central estimate of 0.09 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±196.7%, with 100% of held-out values landing inside the 95% band.

+53%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 →
0.09Projected 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 →
0.00–0.1995% 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 →
±196.7%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, Wood Duck in Badlands and Prairies is projected to rise about 53% by 2029 — from 0.06 in 2024 to a central estimate of 0.09 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±196.7%, with 100% of held-out values landing inside the 95% band.19732029
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 →
20250.090.000.19
20260.090.000.19
20270.090.000.19
20280.090.000.19
20290.090.000.19

Routes In Badlands and Prairies

Routes recording Wood Duck 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 →
BowmanNORTH-DAKOTA112002
ArdmoreSOUTH-DAKOTA92016
Caballa CrkWYOMING72008
WinnerSOUTH-DAKOTA42021
CottonwoodSOUTH-DAKOTA42006
ZapNORTH-DAKOTA31997
OwankaSOUTH-DAKOTA31988
Railroad ButteSOUTH-DAKOTA31998
DaytonWYOMING32024
JordanMONTANA22017
St XavierMONTANA22010
St Xavier 2MONTANA22021
Hehn DrawMONTANA22021
Dunn CenterNORTH-DAKOTA22014
Cedar CreekNORTH-DAKOTA21988
BentleyNORTH-DAKOTA22014
MaurineSOUTH-DAKOTA22017
IndianSOUTH-DAKOTA22013
IngomarMONTANA12008
ForsythMONTANA12021
BrandenbergMONTANA12015
PowdervilleMONTANA12022
Cabin CreekMONTANA12024
Roosevelt PkNORTH-DAKOTA12001
CarsonNORTH-DAKOTA12021

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