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Species · Kansas · BBS 2025 Release · 1966–2024

Henslow's Sparrow Population Trend in Kansas

All statesGrassland birds

Henslow's Sparrow in Kansas has declined: down 39% on the route-weighted index since 1989.

-39%Since 1989
15Routes In State
28Years

Notable Henslow's Sparrow Trends in Kansas

No notable trend signals for Henslow's Sparrow in Kansas. See the full index history below.

Henslow's Sparrow Population Forecast in Kansas

If the recent trend holds, Henslow's Sparrow in Kansas is projected to stay roughly flat through 2028, near 0.08 (95% range 0.00–0.19). A 5-year backtest shows a typical error of ±168.8%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2028
0.08Projected 2028 index
0.00–0.1995% range
±168.8%Backtest error
19672028
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
20240.080.000.20
20250.080.000.19
20260.080.000.19
20270.080.000.19
20280.080.000.19

Henslow's Sparrow Survey Routes in Kansas

Routes recording Henslow's Sparrow in Kansas.
Barclay320192019
Minneapolis320101995
Covert120051999
Thrall119701967
Dover120052005
Wreford120232005
Morehead120222022
Reece120112001
Lincolnville120022002
Kanopolis120192000
Solomon120141999
Trading Post120212004
Rock Creek120101989
Seneca120222022
Olsburg120222009

Henslow's Sparrow Population Trend in Other States

delawareillinoisindianaiowakentuckymarylandmichiganminnesotamissourinebraskanew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniasouth-dakotavermontvirginiawest-virginiawisconsin

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