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

Ring-billed Gull In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionWetland birds

Ring-billed Gull in Prairie Hardwood Transition has surged: up 154% on the route-weighted index since 1968.

+154%Since 1968
92Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Ring-billed Gull has surged in Prairie Hardwood Transition: up 154% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Ring-billed Gull in Prairie Hardwood Transition is projected to rise about 194% by 2029 — from 3.3 in 2024 to a central estimate of 9.8 (95% range 0.00–20). A 5-year backtest shows a typical error of ±279.7%, with 100% of held-out values landing inside the 95% band.

+194%Change by 2029
9.8Projected 2029 index
0.00–2095% range
±279.7%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
20259.30.0019
20269.40.0019
20279.50.0019
20289.60.0020
20299.80.0020

Routes In Prairie Hardwood Transition

Routes recording Ring-billed Gull in Prairie Hardwood Transition.
GraytownOHIO1981984
LawrenceMICHIGAN1322024
OmroWISCONSIN962001
LimestoneOHIO682024
BismarkOHIO631995
PrattvilleMICHIGAN592004
HamtramckMICHIGAN591984
St CharlesMICHIGAN482019
HollandWISCONSIN462024
Wis RapidsWISCONSIN342023
KielWISCONSIN342022
St StephenMINNESOTA312007
Allegan WmaMICHIGAN212010
New TroyMICHIGAN202024
CumberlandWISCONSIN202005
BrownsvilleWISCONSIN182010
AdairMICHIGAN161990
MiddleburyINDIANA152010
CoopersvilleMICHIGAN152024
Indiana DuneINDIANA142024
AdrianMICHIGAN142017
VeronaWISCONSIN122023
New BuffaloMICHIGAN112013
Le CenterMINNESOTA102016
VickeryOHIO82024

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