Species · BCR 19 · BBS 2025 Release · 1966–2024

Henslow's Sparrow In Central Mixed Grass Prairie

Henslow's Sparrow in Central Mixed Grass Prairie has edged down: down 17% on the route-weighted index since 1999.

-17%Since 1999
5Routes In Region
19Years

Notable Signals

No notable trend signals for Henslow's Sparrow in Central Mixed Grass Prairie. See the full index history below.

Forecast

If the recent trend holds, Henslow's Sparrow in Central Mixed Grass Prairie is projected to stay roughly flat through 2024, near 0.05 (95% range 0.00–0.12). A 5-year backtest shows a typical error of ±64.3%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2024
0.05Projected 2024 index
0.000.1295% range
±64.3%Backtest error
19952024
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
20200.050.000.12
20210.050.000.12
20220.050.000.12
20230.050.000.12
20240.050.000.12

Routes In Central Mixed Grass Prairie

Routes recording Henslow's Sparrow in Central Mixed Grass Prairie.
MinneapolisKANSAS32010
KanopolisKANSAS12019
CovertKANSAS12005
SolomonKANSAS12014
Red CloudNEBRASKA12019

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