BirdAnalyst
Species · BCR 12 · BBS 2025 Release · 1966–2024

Ovenbird In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionForest birds

Ovenbird in Boreal Hardwood Transition has risen sharply: up 67% on the route-weighted index since 1968.

+67%Since 1968
127Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Ovenbird has risen sharply in Boreal Hardwood Transition: up 67% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Ovenbird in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 44 (95% range 40–48). A 5-year backtest shows a typical error of ±3.6%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029
44Projected 2029 index
40–4895% range
±3.6%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
2025433946
2026433947
2027433947
2028434047
2029444048

Routes In Boreal Hardwood Transition

Routes recording Ovenbird in Boreal Hardwood Transition.
MellenWISCONSIN1242024
LockportMINNESOTA1072024
Sawbill LndgMINNESOTA1032024
Cluster LakesMICHIGAN1012010
SidnawMICHIGAN1002024
BlackduckMINNESOTA982022
GooseneckMICHIGAN902010
ChisholmMINNESOTA902024
EnsignMICHIGAN842010
Sherry LakeMINNESOTA832022
Big Island LakeMICHIGAN782010
Weirgor SpringsWISCONSIN752024
Scott'S MarshMICHIGAN712010
Hart LakeMINNESOTA702024
CavourWISCONSIN672024
BayfieldWISCONSIN662024
JordanMINNESOTA632023
Grand ViewWISCONSIN632024
ShanagoldenWISCONSIN622024
ConoverWISCONSIN622024
FlambeauWISCONSIN622024
Cass LakeMINNESOTA602016
Popple RiverWISCONSIN572024
Imp LakeMICHIGAN562019
Isabella 2MICHIGAN552024

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