Species · Kansas · BBS 2025 Release · 1966–2024
House Sparrow Population Trend in Kansas
House Sparrow in Kansas has collapsed: down 82% on the route-weighted index since 1969.
-82%Since 1969
67Routes In State
57Years
Notable House Sparrow Trends in Kansas
long arc declinecomputed index
House Sparrow has collapsed in Kansas: down 82% on the route-weighted index since 1969.
House Sparrow Population Forecast in Kansas
If the recent trend holds, House Sparrow in Kansas is projected to fall about 100% by 2029 — from 21 in 2024 to a central estimate of 0.00 (95% range 0.00–27). A 5-year backtest shows a typical error of ±145.2%, with 20% of held-out values landing inside the 95% band.
-100%Change by 2029
0.00Projected 2029 index
0.00–2795% range
±145.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 27 |
| 2026 | 0.00 | 0.00 | 27 |
| 2027 | 0.00 | 0.00 | 27 |
| 2028 | 0.00 | 0.00 | 27 |
| 2029 | 0.00 | 0.00 | 27 |
House Sparrow Survey Routes in Kansas
| Chapman | 132 | 1981 | 1967 |
| Plymell | 121 | 2024 | 2000 |
| Gray | 106 | 2019 | 1967 |
| Wellington | 68 | 2024 | 1968 |
| Coats | 50 | 2019 | 1967 |
| Berwet | 50 | 2024 | 2000 |
| Covert | 44 | 2024 | 1967 |
| Lakin | 43 | 2022 | 1967 |
| Seneca | 33 | 2022 | 1967 |
| Dalton | 30 | 2024 | 1968 |
| Wreford | 30 | 2024 | 1967 |
| Hays | 29 | 2014 | 1967 |
| Rexford | 29 | 2024 | 2000 |
| Bucyrus | 27 | 2024 | 2022 |
| Olathe | 26 | 2021 | 1967 |
| Ulysses | 26 | 2024 | 2000 |
| Kanopolis | 24 | 2024 | 1967 |
| Ruleton | 24 | 2022 | 1981 |
| Melrose | 22 | 2023 | 1967 |
| Missler | 20 | 2019 | 1975 |
| Grantville | 19 | 2022 | 1967 |
| Humboldt | 18 | 2022 | 1968 |
| Beloit 2 | 17 | 2018 | 2005 |
| Winona | 16 | 2017 | 2000 |
| Hollenberg | 15 | 2023 | 1969 |
House Sparrow Population Trend in Other States
alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.