BirdAnalyst
Species · BCR 24 · BBS 2025 Release · 1966–2024

Bobolink In Central Hardwoods

All regionsCentral HardwoodsGrassland birds

Bobolink in Central Hardwoods has surged: up 162% on the route-weighted index since 1970.

+162%Since 1970
26Routes In Region
49Years

Notable Signals

long arc increasecomputed index

Bobolink has surged in Central Hardwoods: up 162% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Bobolink in Central Hardwoods is projected to rise about 79% by 2029 — from 0.07 in 2024 to a central estimate of 0.12 (95% range 0.04–0.20). A 5-year backtest shows a typical error of ±56.3%, with 100% of held-out values landing inside the 95% band.

+79%Change by 2029
0.12Projected 2029 index
0.04–0.2095% range
±56.3%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
20250.110.030.20
20260.120.040.20
20270.120.040.20
20280.120.040.20
20290.120.040.20

Routes In Central Hardwoods

Routes recording Bobolink in Central Hardwoods.
CorydonINDIANA72006
SyracuseMISSOURI62006
PlumKENTUCKY32024
JohnsonvilleKENTUCKY22005
EastviewKENTUCKY21986
ShelbyvilleKENTUCKY21978
East UnionKENTUCKY22022
Million 2KENTUCKY22024
LincolnMISSOURI22024
SpencerINDIANA12004
Indian SpgsINDIANA12010
CelestineINDIANA11996
Clear SpringINDIANA11993
New PhilaINDIANA12012
ScottsburgINDIANA11998
MerrimacKENTUCKY11998
GoshenKENTUCKY11998
GlencoeKENTUCKY11974
Buena VistaKENTUCKY11976
Sewell ShopKENTUCKY12018
Hodgenville 2KENTUCKY12017
PleasurevillKENTUCKY12018
HaydenMISSOURI12012
SedaliaMISSOURI12023
RichlandMISSOURI12015

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