Species · Kentucky · BBS 2025 Release · 1966–2024
Common Nighthawk Population Trend in Kentucky
Common Nighthawk in Kentucky has collapsed: down 85% on the route-weighted index since 1968.
-85%Since 1968
28Routes In State
41Years
Notable Common Nighthawk Trends in Kentucky
long arc declinecomputed index
Common Nighthawk has collapsed in Kentucky: down 85% on the route-weighted index since 1968.
Common Nighthawk Population Forecast in Kentucky
If the recent trend holds, Common Nighthawk in Kentucky is projected to fall about 85% by 2016 — from 0.09 in 2011 to a central estimate of 0.01 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±114.3%, with 100% of held-out values landing inside the 95% band.
-85%Change by 2016
0.01Projected 2016 index
0.00–0.2595% range
±114.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2012 | 0.04 | 0.00 | 0.28 |
| 2013 | 0.03 | 0.00 | 0.27 |
| 2014 | 0.02 | 0.00 | 0.27 |
| 2015 | 0.02 | 0.00 | 0.26 |
| 2016 | 0.01 | 0.00 | 0.25 |
Common Nighthawk Survey Routes in Kentucky
| Drakesboro | 3 | 1991 | 1971 |
| Boxville | 3 | 1971 | 1971 |
| Shiloh | 2 | 2011 | 2011 |
| Levee | 2 | 1968 | 1966 |
| Mcbrayer | 2 | 1988 | 1966 |
| Plum | 2 | 1982 | 1966 |
| Cumberlnd Gp | 1 | 2011 | 1993 |
| Lovelacevile | 1 | 1998 | 1980 |
| Cedar Grove | 1 | 1986 | 1971 |
| Sulphur Lick | 1 | 1983 | 1979 |
| Pleasurevill | 1 | 1989 | 1989 |
| Monticello | 1 | 1998 | 1998 |
| Carter | 1 | 1983 | 1983 |
| Beattyville | 1 | 1990 | 1990 |
| Million | 1 | 1986 | 1967 |
| Hodgenville | 1 | 1985 | 1985 |
| Demunbruns | 1 | 1969 | 1966 |
| Gatewood | 1 | 1986 | 1985 |
| Hudson | 1 | 1971 | 1971 |
| Eastview | 1 | 1987 | 1987 |
| Dixie | 1 | 1973 | 1967 |
| Joy | 1 | 1968 | 1968 |
| Shelbyville | 1 | 1972 | 1972 |
| Glencoe | 1 | 1984 | 1983 |
| Buena Vista | 1 | 2007 | 1967 |
Common Nighthawk Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.