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

American Woodcock Population Trend in Missouri

All statesShorebirds

American Woodcock in Missouri has fallen sharply: down 53% on the route-weighted index since 1981.

-53%Since 1981TrendPercent 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 →
16Routes 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 →
18YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable American Woodcock Trends in MissouriNotable 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 Missouri. See the full index history below.

American Woodcock Population Forecast in Missouri

If the recent trend holds, American Woodcock in Missouri is projected to stay roughly flat through 2028, near 0.01 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±36.6%, 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 →
0.00–0.0495% 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 →
±36.6%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, American Woodcock in Missouri is projected to stay roughly flat through 2028, near 0.01 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±36.6%, with 100% of held-out values landing inside the 95% band.19792028
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 →
20240.010.000.04
20250.010.000.04
20260.010.000.04
20270.010.000.04
20280.010.000.04

American Woodcock Survey Routes in Missouri

Routes recording American Woodcock in Missouri.
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 →
Cameron219961996
Deventer119801980
Sticklervill119801980
Trenton119941994
Sweden120142012
Centerville119981998
Kearney120042004
Kirksville120232023
Mcfall120082008
Clementine119791979
Handley119851985
Graniteville120091990
Syracuse119881988
Union119951995
Warren119831983
Rockingham119961981

American Woodcock Population Trend in Other States

alabamaarkansasconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginiawisconsin

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