BirdAnalyst
Species · BCR 22 · BBS 2025 Release · 1966–2024

American Woodcock In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieShorebirds

American Woodcock in Eastern Tallgrass Prairie has increased: up 38% on the route-weighted index since 1971.

+38%Since 1971TrendPercent 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 →
36Routes 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 →
31YearsYears 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 American Woodcock in Eastern Tallgrass Prairie. See the full index history below.

American Woodcock In Eastern Tallgrass Prairie Population Forecast

If the recent trend holds, American Woodcock in Eastern Tallgrass Prairie is projected to stay roughly flat through 2028, near 0.01 (95% range 0.00–0.03). A 5-year backtest shows a typical error of ±55.8%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2028TrendPercent 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 →
0.01Projected 2028 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.0395% 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 →
±55.8%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, American Woodcock in Eastern Tallgrass Prairie is projected to stay roughly flat through 2028, near 0.01 (95% range 0.00–0.03). A 5-year backtest shows a typical error of ±55.8%, with 100% of held-out values landing inside the 95% band.19692028
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 →
20240.010.000.03
20250.010.000.03
20260.010.000.03
20270.010.000.03
20280.010.000.03

Routes In Eastern Tallgrass Prairie

Routes recording American Woodcock in Eastern Tallgrass 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 →
SterlingILLINOIS32019
Camp PointILLINOIS21995
WalesIOWA22013
CameronMISSOURI21996
WayneILLINOIS12023
ChandlervillILLINOIS11981
CameronILLINOIS12022
BartonvilleILLINOIS11983
PawneeILLINOIS11989
ColumbiaILLINOIS11978
Mascoutah LkILLINOIS11993
BeaucoupILLINOIS12022
OlneyILLINOIS12009
SenecaILLINOIS12016
Duncan MillsILLINOIS11993
EldredILLINOIS11996
Grape CreekILLINOIS12003
Concord WestILLINOIS12015
DudleyvilleILLINOIS12016
MonticelloINDIANA11989
BrookvilleINDIANA11997
DecaturINDIANA12008
SenecaKANSAS11988
Ash CreekMINNESOTA11975
LakevilleMINNESOTA12000

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