BirdAnalyst
Species · BCR 23 · BBS 2025 Release · 1966–2024

Common Nighthawk In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionAerial insectivores

Common Nighthawk in Prairie Hardwood Transition has fallen sharply: down 64% on the route-weighted index since 1968.

-64%Since 1968
85Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Common Nighthawk has fallen sharply in Prairie Hardwood Transition: down 64% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Common Nighthawk in Prairie Hardwood Transition is projected to fall about 100% by 2029 — from 0.08 in 2024 to a central estimate of 0.00 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±74.7%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–0.1095% range
±74.7%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
20250.010.000.11
20260.010.000.10
20270.000.000.10
20280.000.000.10
20290.000.000.10

Routes In Prairie Hardwood Transition

Routes recording Common Nighthawk in Prairie Hardwood Transition.
CochraneWISCONSIN61966
Money CreekMINNESOTA52024
PardeevilleWISCONSIN51974
HamtramckMICHIGAN41983
Cherry ValILLINOIS31991
Bell OakMICHIGAN32004
Pigeon CreekWISCONSIN32015
Big RapidsMICHIGAN21988
New BuffaloMICHIGAN21993
MinnetonkaMINNESOTA22014
KnappMINNESOTA22024
LockportOHIO22022
N BaltimoreOHIO21993
DresserWISCONSIN21993
Newburg CrnsWISCONSIN21970
Hazel GreenWISCONSIN22022
South BendINDIANA11984
KnoxINDIANA11990
MiddleburyINDIANA11991
Columbia CtyINDIANA12014
EllisINDIANA11975
LagrangeINDIANA12024
Indiana DuneINDIANA12004
FestinaIOWA11970
ScottvilleMICHIGAN11994

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