Species · Oklahoma · BBS 2025 Release · 1966–2024
Chimney Swift Population Trend in Oklahoma
Chimney Swift in Oklahoma has collapsed: down 89% on the route-weighted index since 1969.
-89%Since 1969
67Routes In State
57Years
Notable Chimney Swift Trends in Oklahoma
long arc declinecomputed index
Chimney Swift has collapsed in Oklahoma: down 89% on the route-weighted index since 1969.
Chimney Swift Population Forecast in Oklahoma
If the recent trend holds, Chimney Swift in Oklahoma is projected to fall about 100% by 2029 — from 0.28 in 2024 to a central estimate of 0.00 (95% range 0.00–1.3). A 5-year backtest shows a typical error of ±39.3%, with 100% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–1.395% range
±39.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.31 | 0.00 | 1.6 |
| 2026 | 0.23 | 0.00 | 1.5 |
| 2027 | 0.15 | 0.00 | 1.5 |
| 2028 | 0.07 | 0.00 | 1.4 |
| 2029 | 0.00 | 0.00 | 1.3 |
Chimney Swift Survey Routes in Oklahoma
| Verden | 20 | 2004 | 1967 |
| Goodwater | 17 | 2021 | 1993 |
| Mcalester | 12 | 1991 | 1967 |
| Barnsdall | 11 | 1977 | 1967 |
| Pushmataha | 8 | 2023 | 1994 |
| Elgin | 7 | 1994 | 1994 |
| Collinsville | 6 | 2017 | 1967 |
| Felt | 6 | 1988 | 1986 |
| Matoy | 6 | 2000 | 1992 |
| Baron | 5 | 2021 | 1967 |
| Bethel | 5 | 2018 | 1993 |
| Sandbluff | 5 | 1995 | 1992 |
| Arapaho | 5 | 2012 | 1992 |
| Cookietown | 4 | 2006 | 1968 |
| Rosston | 4 | 2017 | 1983 |
| Sickles | 4 | 2021 | 1992 |
| Duncan | 4 | 2021 | 1987 |
| Phillips | 3 | 2008 | 1968 |
| Mill Creek | 3 | 2018 | 1967 |
| Loco | 3 | 1984 | 1970 |
| Canadian | 3 | 2015 | 1967 |
| Welch | 3 | 2018 | 1968 |
| Douglas | 3 | 2022 | 1967 |
| Beaver | 3 | 2003 | 2003 |
| Hollis | 3 | 2014 | 1993 |
Chimney Swift Population Trend in Other States
alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiopennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.