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
0.00–0.4195% range
±159.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.41 |
| 2026 | 0.00 | 0.00 | 0.41 |
| 2027 | 0.00 | 0.00 | 0.41 |
| 2028 | 0.00 | 0.00 | 0.41 |
| 2029 | 0.00 | 0.00 | 0.41 |
Common Nighthawk Survey Routes in Alabama
| Alabama Pt 2 | 7 | 2019 | 2004 |
| Alabama Pt | 6 | 2002 | 1966 |
| Elberta | 4 | 2022 | 1986 |
| Newton | 3 | 1995 | 1995 |
| Bay Minette | 3 | 2024 | 1996 |
| Chacaloochee Bay | 3 | 2011 | 2011 |
| Valhermoso Spgs | 2 | 1967 | 1967 |
| Linden | 2 | 1991 | 1968 |
| Millry | 2 | 1970 | 1970 |
| Dauphin Is | 2 | 1988 | 1966 |
| Foley | 2 | 1983 | 1966 |
| Blocton | 2 | 2019 | 1969 |
| Escatawpa | 2 | 2023 | 1984 |
| Fairview | 2 | 2017 | 2017 |
| Citronelle | 2 | 2023 | 1997 |
| Helicon | 2 | 2010 | 2000 |
| St Florian | 1 | 1988 | 1968 |
| Hillsboro | 1 | 1987 | 1966 |
| Trade | 1 | 2014 | 1998 |
| Summitt | 1 | 1972 | 1972 |
| Pine Grove | 1 | 1995 | 1968 |
| Latham 2 | 1 | 2024 | 2005 |
| Millerville | 1 | 1971 | 1971 |
| Sunny Eve | 1 | 1998 | 1983 |
| Dauphin Is 2 | 1 | 2017 | 1992 |
Common Nighthawk Population Trend in Other States
alaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.