BirdAnalyst
Species · BCR 24 · BBS 2025 Release · 1966–2024

American Coot In Central Hardwoods

All regionsCentral HardwoodsWetland birds

American Coot in Central Hardwoods has declined: down 41% on the route-weighted index since 1973.

-41%Since 1973TrendPercent 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 →
9Routes 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 →
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 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 Coot in Central Hardwoods. See the full index history below.

American Coot In Central Hardwoods Population Forecast

If the recent trend holds, American Coot in Central Hardwoods is projected to stay roughly flat through 2020, near 0.01 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±119.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2020TrendPercent 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 2020 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.0595% 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 →
±119.6%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 Coot in Central Hardwoods is projected to stay roughly flat through 2020, near 0.01 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±119.6%, with 100% of held-out values landing inside the 95% band.19682020
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 →
20160.010.000.05
20170.010.000.05
20180.010.000.05
20190.010.000.05
20200.010.000.05

Routes In Central Hardwoods

Routes recording American Coot in Central Hardwoods.
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 →
Valhermoso SpgsALABAMA21998
BelknapILLINOIS22002
MillersburgINDIANA22006
EastviewKENTUCKY21998
Wheeler DamALABAMA12001
Brnt PrairieILLINOIS12014
Cedar GroveKENTUCKY12015
JohnsonvilleKENTUCKY11977
CascadeMISSOURI11992

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