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

Osprey In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionGeneralists

Osprey in Prairie Hardwood Transition has surged: up 616% on the route-weighted index since 1973.

+616%Since 1973
55Routes In Region
49Years

Notable Signals

long arc increasecomputed index

Osprey has surged in Prairie Hardwood Transition: up 616% on the route-weighted index since 1973.

Forecast

If the recent trend holds, Osprey in Prairie Hardwood Transition is projected to fall about 44% by 2029 — from 0.32 in 2024 to a central estimate of 0.18 (95% range 0.10–0.26). A 5-year backtest shows a typical error of ±30%, with 60% of held-out values landing inside the 95% band.

-44%Change by 2029
0.18Projected 2029 index
0.10–0.2695% range
±30%Backtest error
19692029
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
20250.170.090.25
20260.170.090.25
20270.180.100.25
20280.180.100.26
20290.180.100.26

Routes In Prairie Hardwood Transition

Routes recording Osprey in Prairie Hardwood Transition.
Omro 2WISCONSIN92024
RemusMICHIGAN52024
Chippewa Lk.MICHIGAN42024
GalesburgMICHIGAN22024
New BuffaloMICHIGAN22003
EdwardsMINNESOTA22024
CumberlandWISCONSIN22023
OmroWISCONSIN22001
ManitowocWISCONSIN22024
Beaver DamWISCONSIN22013
Cherry ValILLINOIS11997
LakevilleINDIANA12012
Packertown 2INDIANA12023
LagrangeINDIANA12022
LawrenceMICHIGAN12018
NashvilleMICHIGAN12024
DeckervilleMICHIGAN11996
CohoctahMICHIGAN12024
HungerfordMICHIGAN12017
Belding 2MICHIGAN12024
LapeerMICHIGAN12024
RichmondMICHIGAN12000
MinnetonkaMINNESOTA12024
PrincetonMINNESOTA12013
OsseoMINNESOTA12023

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