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

Northern Bobwhite In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionGrassland birds

Northern Bobwhite in Prairie Hardwood Transition has collapsed: down 98% on the route-weighted index since 1968.

-98%Since 1968
123Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Northern Bobwhite has collapsed in Prairie Hardwood Transition: down 98% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Northern Bobwhite in Prairie Hardwood Transition is projected to fall about 100% by 2029 — from 0.17 in 2024 to a central estimate of 0.00 (95% range 0.00–3.0). A 5-year backtest shows a typical error of ±4214.3%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–3.095% range
±4214.3%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
20250.000.003.0
20260.000.003.0
20270.000.003.0
20280.000.003.0
20290.000.003.0

Routes In Prairie Hardwood Transition

Routes recording Northern Bobwhite in Prairie Hardwood Transition.
BriggsvilleWISCONSIN122007
S LyonsMICHIGAN71992
KnoxINDIANA62024
Maple RapidsMICHIGAN62000
North BranchMICHIGAN61999
NapoleonOHIO62002
HamburgMICHIGAN52001
MerideanWISCONSIN52012
ViroquaWISCONSIN42007
Fall RiverWISCONSIN42024
PackertownINDIANA32004
Packertown 2INDIANA32023
OlaMICHIGAN31995
Bell OakMICHIGAN32008
DeckervilleMICHIGAN32007
RichmondMICHIGAN32003
Allegan WmaMICHIGAN32000
EsdaileWISCONSIN31969
GuilfordILLINOIS22008
Columbia CtyINDIANA22014
LakevilleINDIANA22024
LagrangeINDIANA22024
No BradleyMICHIGAN21978
PettysvilleMICHIGAN21979
Drayton PlnsMICHIGAN21987

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