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

Chipping Sparrow In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieGeneralists

Chipping Sparrow in Central Mixed Grass Prairie has surged: up 645% on the route-weighted index since 1969.

+645%Since 1969
79Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Chipping Sparrow has surged in Central Mixed Grass Prairie: up 645% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Chipping Sparrow in Central Mixed Grass Prairie is projected to rise about 39% by 2029 — from 1.2 in 2024 to a central estimate of 1.7 (95% range 1.1–2.3). A 5-year backtest shows a typical error of ±14.3%, with 100% of held-out values landing inside the 95% band.

+39%Change by 2029
1.7Projected 2029 index
1.1–2.395% range
±14.3%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
20251.61.02.1
20261.61.12.2
20271.61.12.2
20281.71.12.2
20291.71.12.3

Routes In Central Mixed Grass Prairie

Routes recording Chipping Sparrow in Central Mixed Grass Prairie.
NenzelNEBRASKA82024
ColdwaterKANSAS71972
HanoverKANSAS72023
KenesawNEBRASKA72024
PetersburgNEBRASKA72023
Liberty 3NEBRASKA72024
BoelusNEBRASKA72022
CoatsKANSAS61973
SewardNEBRASKA62024
Crescent LkNEBRASKA61992
HendleyNEBRASKA62021
Beloit 2KANSAS52017
SumnerNEBRASKA52024
BelvidereNEBRASKA42024
OcontoNEBRASKA41978
BradyNEBRASKA42024
Wheeler CoNEBRASKA42024
HamptonNEBRASKA42024
WeinertTEXAS41971
MertzonTEXAS42010
SilverTEXAS42011
AshlandKANSAS32001
HollenbergKANSAS32023
JamestownKANSAS32024
LibertyNEBRASKA32003

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