Species · South Dakota · BBS 2025 Release · 1966–2024
Common Nighthawk Population Trend in South Dakota
Common Nighthawk in South Dakota has surged: up 195% on the route-weighted index since 1969.
+195%Since 1969
62Routes In State
57Years
Notable Common Nighthawk Trends in South Dakota
long arc increasecomputed index
Common Nighthawk has surged in South Dakota: up 194% on the route-weighted index since 1969.
Common Nighthawk Population Forecast in South Dakota
If the recent trend holds, Common Nighthawk in South Dakota is projected to stay roughly flat through 2029, near 2.4 (95% range 0.89–3.9). A 5-year backtest shows a typical error of ±28.5%, with 100% of held-out values landing inside the 95% band.
-10%Change by 2029
2.4Projected 2029 index
0.89–3.995% range
±28.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 2.4 | 0.86 | 3.9 |
| 2026 | 2.4 | 0.87 | 3.9 |
| 2027 | 2.4 | 0.88 | 3.9 |
| 2028 | 2.4 | 0.88 | 3.9 |
| 2029 | 2.4 | 0.89 | 3.9 |
Common Nighthawk Survey Routes in South Dakota
| Railroad Butte | 38 | 2022 | 1995 |
| Harding | 15 | 2019 | 1968 |
| Pleasant Val | 14 | 2024 | 1992 |
| Wind Cave Np | 13 | 2024 | 1999 |
| Lacreek | 12 | 2023 | 1991 |
| Ardmore | 9 | 2019 | 1977 |
| Elk Mountain | 9 | 2004 | 1992 |
| French Creek | 9 | 2005 | 1995 |
| Maurine | 8 | 2024 | 1969 |
| Rockyford | 7 | 2023 | 1967 |
| Owanka | 7 | 2022 | 1967 |
| Rosebud | 5 | 2011 | 1967 |
| Laplant | 5 | 2014 | 1971 |
| Fort Pierre | 5 | 2024 | 1968 |
| Eagle Butte | 5 | 2012 | 1990 |
| Cottonwood | 5 | 2024 | 1992 |
| Lightning Cr | 5 | 2022 | 1992 |
| Silver City | 5 | 2002 | 1994 |
| Geddes | 4 | 2023 | 1967 |
| Ft Thompson | 4 | 2011 | 1969 |
| Forbes | 4 | 2024 | 1984 |
| Volunteer | 4 | 2019 | 1967 |
| Cedar Pass | 4 | 2023 | 1967 |
| Tripp | 3 | 2024 | 1976 |
| Reva | 3 | 2023 | 1979 |
Common Nighthawk Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.