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

Turkey Vulture In Prairie Hardwood Transition

Turkey Vulture in Prairie Hardwood Transition has surged: up 19× on the route-weighted index since 1968.

19×Since 1968
154Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Turkey Vulture has surged in Prairie Hardwood Transition: up 19× on the route-weighted index since 1968.

Forecast

If the recent trend holds, Turkey Vulture in Prairie Hardwood Transition is projected to fall about 16% by 2029 — from 4.6 in 2024 to a central estimate of 3.9 (95% range 2.7–5.0). A 5-year backtest shows a typical error of ±13.6%, with 80% of held-out values landing inside the 95% band.

-16%Change by 2029
3.9Projected 2029 index
2.75.095% range
±13.6%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
20253.62.44.8
20263.72.54.8
20273.72.64.9
20283.82.65.0
20293.92.75.0

Routes In Prairie Hardwood Transition

Routes recording Turkey Vulture in Prairie Hardwood Transition.
OwendaleMICHIGAN792017
Chippewa Lk.MICHIGAN432024
LapeerMICHIGAN302024
LockportOHIO292024
NapoleonOHIO292024
VickeryOHIO232024
MillvilleMINNESOTA202019
ParisWISCONSIN202023
EllisINDIANA182024
Hamburg 2MICHIGAN182024
Mukwonago 2WISCONSIN172024
DeckervilleMICHIGAN162024
Whitewater 2MINNESOTA142019
Hazel GreenWISCONSIN122024
OlaMICHIGAN112024
HoltMICHIGAN112024
PackertownINDIANA102004
LagrangeINDIANA102024
DresserWISCONSIN102024
BrownsvilleWISCONSIN102024
Prairie Du ChienWISCONSIN102024
AnnatonWISCONSIN102024
MottvilleMICHIGAN92024
HungerfordMICHIGAN92023
Packertown 2INDIANA82024

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