BirdAnalyst
Species · BCR 27 · BBS 2025 Release · 1966–2024

Common Nighthawk In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainAerial insectivores

Common Nighthawk in Southeastern Coastal Plain has fallen sharply: down 67% on the route-weighted index since 1968.

-67%Since 1968
242Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Common Nighthawk has fallen sharply in Southeastern Coastal Plain: down 67% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Common Nighthawk in Southeastern Coastal Plain is projected to fall about 65% by 2029 — from 0.71 in 2024 to a central estimate of 0.25 (95% range 0.00–0.82). A 5-year backtest shows a typical error of ±54.3%, with 80% of held-out values landing inside the 95% band.

-65%Change by 2029
0.25Projected 2029 index
0.00–0.8295% range
±54.3%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
20250.340.000.92
20260.320.000.89
20270.300.000.87
20280.270.000.84
20290.250.000.82

Routes In Southeastern Coastal Plain

Routes recording Common Nighthawk in Southeastern Coastal Plain.
SandhillsSOUTH-CAROLINA272024
Dowling ParkFLORIDA212023
DibervilleMISSISSIPPI161987
Broad BranchFLORIDA112024
HildrethFLORIDA92009
Alligator PtFLORIDA92024
Santa RosaFLORIDA82003
Alabama Pt 2ALABAMA72019
Cross CityFLORIDA72023
MerrimonNORTH-CAROLINA72023
Alabama PtALABAMA62002
Seminole HlsFLORIDA62000
Hildreth 2FLORIDA62024
CouncilGEORGIA62021
WeberGEORGIA62024
TelogiaFLORIDA51985
SteinhatcheeFLORIDA52023
BlackwaterFLORIDA52024
CallahanFLORIDA52024
Everett CityGEORGIA51992
WaycrossGEORGIA51984
LacombeLOUISIANA51983
ElbertaALABAMA42022
BelmontFLORIDA42024
NixonFLORIDA41986

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