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

Common Nighthawk In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieAerial insectivores

Common Nighthawk in Eastern Tallgrass Prairie has increased: up 32% on the route-weighted index since 1968.

+32%Since 1968
158Routes In Region
58Years

Notable Signals

No notable trend signals for Common Nighthawk in Eastern Tallgrass Prairie. See the full index history below.

Forecast

If the recent trend holds, Common Nighthawk in Eastern Tallgrass Prairie is projected to rise about 19% by 2029 — from 0.41 in 2024 to a central estimate of 0.49 (95% range 0.24–0.74). A 5-year backtest shows a typical error of ±27.1%, with 100% of held-out values landing inside the 95% band.

+19%Change by 2029
0.49Projected 2029 index
0.24–0.7495% range
±27.1%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
20250.490.240.74
20260.490.240.74
20270.490.240.74
20280.490.240.74
20290.490.240.74

Routes In Eastern Tallgrass Prairie

Routes recording Common Nighthawk in Eastern Tallgrass Prairie.
DesmoinesIOWA221979
WalesIOWA112013
LincolnvilleKANSAS102024
ForakerOKLAHOMA92024
OlsburgKANSAS72024
HumboldtNEBRASKA62024
Cedar ValleyIOWA51971
Sioux CityIOWA52021
BarclayKANSAS52024
LongtonKANSAS52021
Mascoutah LkILLINOIS42022
LaplandKANSAS42022
EllinorKANSAS42024
AshleyOHIO41992
SherburnvillILLINOIS32016
GridleyILLINOIS32010
GaryINDIANA31994
MilroyINDIANA32024
GalesburgKANSAS32024
ThrallKANSAS31970
WrefordKANSAS32024
MoreheadKANSAS32024
Ash CreekMINNESOTA32016
LakevilleMINNESOTA32001
FilleyMISSOURI31993

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