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
0.002795% range
±145.2%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.000.0027
20260.000.0027
20270.000.0027
20280.000.0027
20290.000.0027

House Sparrow Survey Routes in Kansas

Routes recording House Sparrow in Kansas.
Chapman13219811967
Plymell12120242000
Gray10620191967
Wellington6820241968
Coats5020191967
Berwet5020242000
Covert4420241967
Lakin4320221967
Seneca3320221967
Dalton3020241968
Wreford3020241967
Hays2920141967
Rexford2920242000
Bucyrus2720242022
Olathe2620211967
Ulysses2620242000
Kanopolis2420241967
Ruleton2420221981
Melrose2220231967
Missler2020191975
Grantville1920221967
Humboldt1820221968
Beloit 21720182005
Winona1620172000
Hollenberg1520231969

House Sparrow Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.