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

American Coot In Eastern Tallgrass Prairie

American Coot in Eastern Tallgrass Prairie has collapsed: down 94% on the route-weighted index since 1970.

-94%Since 1970
30Routes In Region
35Years

Notable Signals

long arc declinecomputed index

American Coot has collapsed in Eastern Tallgrass Prairie: down 94% on the route-weighted index since 1970.

Forecast

If the recent trend holds, American Coot in Eastern Tallgrass Prairie is projected to stay roughly flat through 2024, near 0.00 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±1048.6%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2024
0.00Projected 2024 index
0.000.1795% range
±1048.6%Backtest error
19682024
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20200.000.000.17
20210.000.000.17
20220.000.000.17
20230.000.000.17
20240.000.000.17

Routes In Eastern Tallgrass Prairie

Routes recording American Coot in Eastern Tallgrass Prairie.
AustinMINNESOTA162001
StetMISSOURI111973
SheffieldILLINOIS61973
PiersonIOWA42009
New LenoxILLINOIS21984
ChandlervillILLINOIS21986
JamestownILLINOIS21976
Grape CreekILLINOIS22002
GaryINDIANA21984
BedfordIOWA21979
Ash CreekMINNESOTA21993
LakevilleMINNESOTA21989
RaymondWISCONSIN21974
GeneseoILLINOIS11988
NewarkILLINOIS11984
MelroseILLINOIS11976
Bluff SpgsILLINOIS11975
BelleviewILLINOIS11976
PawneeILLINOIS11972
BeaucoupILLINOIS11985
Troy GroveILLINOIS12019
EldredILLINOIS12012
W LafayetteINDIANA12011
Sioux CityIOWA12017
Rock ValleyIOWA11972

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