Species · Arkansas · BBS 2025 Release · 1966–2024
Cliff Swallow Population Trend in Arkansas
Cliff Swallow in Arkansas has surged: up 18× on the route-weighted index since 1976.
18×Since 1976
33Routes In State
45Years
Notable Cliff Swallow Trends in Arkansas
long arc increasecomputed index
Cliff Swallow has surged in Arkansas: up 18× on the route-weighted index since 1976.
Cliff Swallow Population Forecast in Arkansas
If the recent trend holds, Cliff Swallow in Arkansas is projected to rise about 144% by 2029 — from 3.4 in 2024 to a central estimate of 8.4 (95% range 2.7–14). A 5-year backtest shows a typical error of ±75.2%, with 100% of held-out values landing inside the 95% band.
+144%Change by 2029
8.4Projected 2029 index
2.7–1495% range
±75.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 7.7 | 2.1 | 13 |
| 2026 | 7.9 | 2.2 | 13 |
| 2027 | 8.0 | 2.4 | 14 |
| 2028 | 8.2 | 2.6 | 14 |
| 2029 | 8.4 | 2.7 | 14 |
Cliff Swallow Survey Routes in Arkansas
| Gillett | 61 | 2016 | 2010 |
| England | 47 | 2024 | 2011 |
| Massard | 42 | 2022 | 1998 |
| Yellville | 26 | 2022 | 2022 |
| Hughes | 25 | 2023 | 2010 |
| Stamps | 24 | 2016 | 2016 |
| South Bend | 21 | 2023 | 2008 |
| Augusta 2 | 20 | 2016 | 2006 |
| Coal Hill | 17 | 2023 | 1986 |
| Wilson | 17 | 2024 | 2021 |
| Rupert | 12 | 2021 | 1990 |
| Augusta | 11 | 2001 | 1998 |
| Crowley'S Ridge | 9 | 2024 | 2012 |
| Farwell | 8 | 2018 | 2017 |
| Dell | 8 | 2024 | 2024 |
| Springhill | 8 | 2013 | 2010 |
| Old Milo | 7 | 2014 | 2014 |
| Stark | 7 | 2012 | 1968 |
| Ravenden Springs | 7 | 2015 | 2011 |
| Eudora | 6 | 2024 | 2008 |
| Russell | 6 | 2021 | 2010 |
| Nance | 5 | 2024 | 1995 |
| Maynard | 4 | 2024 | 1999 |
| Stephens | 4 | 2016 | 2016 |
| Crows | 3 | 1981 | 1981 |
Cliff Swallow Population Trend in Other States
alabamaalaskaarizonacaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.