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

Eastern Whip-poor-will In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieAerial insectivores

Eastern Whip-poor-will in Eastern Tallgrass Prairie has collapsed: down 75% on the route-weighted index since 1968.

-75%Since 1968
82Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Eastern Whip-poor-will has collapsed in Eastern Tallgrass Prairie: down 75% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Eastern Whip-poor-will in Eastern Tallgrass Prairie is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.14). A 5-year backtest shows a typical error of ±130.4%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.00Projected 2029 index
0.00–0.1495% range
±130.4%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
20250.000.000.14
20260.000.000.14
20270.000.000.14
20280.000.000.14
20290.000.000.14

Routes In Eastern Tallgrass Prairie

Routes recording Eastern Whip-poor-will in Eastern Tallgrass Prairie.
ChandlervillILLINOIS31972
MartinsvilleILLINOIS32019
RobinsonILLINOIS31973
YaleILLINOIS32009
RensselaerMISSOURI31998
Terre HauteILLINOIS21984
Deer CreekILLINOIS21969
AthensvilleILLINOIS22015
JanesvilleILLINOIS21982
BradburyILLINOIS22017
EldredILLINOIS22004
AthensILLINOIS21996
BrookvilleINDIANA22000
ExlineIOWA22006
Red RockIOWA21992
FilleyMISSOURI22019
WarrenMISSOURI21984
MadisonMISSOURI22005
New HamptonMISSOURI22024
PutnamILLINOIS11980
SheffieldILLINOIS11993
StillwellILLINOIS11993
MonicaILLINOIS11990
MackinawILLINOIS11973
MelroseILLINOIS11990

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