Species · BCR 23 · BBS 2025 Release · 1966–2024

Chipping Sparrow In Prairie Hardwood Transition

Chipping Sparrow in Prairie Hardwood Transition has surged: up 178% on the route-weighted index since 1968.

+178%Since 1968
161Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Chipping Sparrow has surged in Prairie Hardwood Transition: up 178% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Chipping Sparrow in Prairie Hardwood Transition is projected to rise about 63% by 2029 — from 17 in 2024 to a central estimate of 28 (95% range 21–36). A 5-year backtest shows a typical error of ±61.5%, with 0% of held-out values landing inside the 95% band.

+63%Change by 2029
28Projected 2029 index
213695% range
±61.5%Backtest error
19662029
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
2025272034
2026272035
2027282035
2028282035
2029282136

Routes In Prairie Hardwood Transition

Routes recording Chipping Sparrow in Prairie Hardwood Transition.
Bell Oak 2MICHIGAN682023
JuniataMICHIGAN532024
FowlervilleMICHIGAN512019
CohoctahMICHIGAN502024
HoltMICHIGAN482024
PackertownINDIANA462004
North BranchMICHIGAN451999
MukwonagoWISCONSIN432004
ParisWISCONSIN422024
Fall RiverWISCONSIN392024
BrownsvilleWISCONSIN392024
Maple RapidsMICHIGAN382023
Drayton PlnsMICHIGAN371987
GreshamWISCONSIN372024
KielWISCONSIN372022
HowardsvilleMICHIGAN342024
LapeerMICHIGAN332024
KnappMINNESOTA332024
PardeevilleWISCONSIN332024
EdwardsMINNESOTA312024
Brook ParkMINNESOTA312024
HatfieldWISCONSIN311998
OmroWISCONSIN312001
CascoWISCONSIN312024
Cherry ValILLINOIS302003

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