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

Cooper's Hawk In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieGeneralists

Cooper's Hawk in Eastern Tallgrass Prairie has surged: up 541% on the route-weighted index since 1968.

+541%Since 1968
212Routes In Region
53Years

Notable Signals

long arc increasecomputed index

Cooper's Hawk has surged in Eastern Tallgrass Prairie: up 541% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Cooper's Hawk in Eastern Tallgrass Prairie is projected to rise about 14% by 2029 — from 0.18 in 2024 to a central estimate of 0.20 (95% range 0.14–0.27). A 5-year backtest shows a typical error of ±20.4%, with 100% of held-out values landing inside the 95% band.

+14%Change by 2029
0.20Projected 2029 index
0.14–0.2795% range
±20.4%Backtest error
19662029
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
20250.190.120.25
20260.190.130.26
20270.200.130.26
20280.200.130.27
20290.200.140.27

Routes In Eastern Tallgrass Prairie

Routes recording Cooper's Hawk in Eastern Tallgrass Prairie.
WayneILLINOIS42024
KokomoINDIANA42021
HudsonIOWA42013
ColumbiaILLINOIS32022
KellILLINOIS32008
Witts StationINDIANA32024
HarveysburgOHIO31992
Mill CreekILLINOIS22019
JanesvilleILLINOIS22024
HumboldtILLINOIS22022
OlneyILLINOIS22004
Troy GroveILLINOIS22022
NilwoodILLINOIS22012
DudleyvilleILLINOIS22015
FriendswoodINDIANA22011
Portage 2INDIANA22023
Crown PointINDIANA22011
DecaturINDIANA22018
MaplewoodINDIANA22019
OlatheKANSAS22021
PittsburgKANSAS22012
MoreheadKANSAS22016
TrentonMISSOURI22017
FrankfordMISSOURI22005
IrvingtonNEBRASKA22009

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