Species · Alabama · BBS 2025 Release · 1966–2024

Common Nighthawk Population Trend in Alabama

Common Nighthawk in Alabama has collapsed: down 90% on the route-weighted index since 1968.

-90%Since 1968
61Routes In State
58Years

Notable Common Nighthawk Trends in Alabama

long arc declinecomputed index

Common Nighthawk has collapsed in Alabama: down 90% on the route-weighted index since 1968.

Common Nighthawk Population Forecast in Alabama

If the recent trend holds, Common Nighthawk in Alabama is projected to fall about 100% by 2029 — from 0.09 in 2024 to a central estimate of 0.00 (95% range 0.00–0.41). A 5-year backtest shows a typical error of ±159.5%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.000.4195% range
±159.5%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
20250.000.000.41
20260.000.000.41
20270.000.000.41
20280.000.000.41
20290.000.000.41

Common Nighthawk Survey Routes in Alabama

Routes recording Common Nighthawk in Alabama.
Alabama Pt 2720192004
Alabama Pt620021966
Elberta420221986
Newton319951995
Bay Minette320241996
Chacaloochee Bay320112011
Valhermoso Spgs219671967
Linden219911968
Millry219701970
Dauphin Is219881966
Foley219831966
Blocton220191969
Escatawpa220231984
Fairview220172017
Citronelle220231997
Helicon220102000
St Florian119881968
Hillsboro119871966
Trade120141998
Summitt119721972
Pine Grove119951968
Latham 2120242005
Millerville119711971
Sunny Eve119981983
Dauphin Is 2120171992

Common Nighthawk Population Trend in Other States

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