Species · BCR 10 · BBS 2025 Release · 1966–2024

Turkey Vulture In Northern Rockies

Turkey Vulture in Northern Rockies has surged: up 341% on the route-weighted index since 1973.

+341%Since 1973
148Routes In Region
51Years

Notable Signals

long arc increasecomputed index

Turkey Vulture has surged in Northern Rockies: up 341% on the route-weighted index since 1973.

Forecast

If the recent trend holds, Turkey Vulture in Northern Rockies is projected to stay roughly flat through 2029, near 0.60 (95% range 0.36–0.84). A 5-year backtest shows a typical error of ±16.2%, with 100% of held-out values landing inside the 95% band.

-7%Change by 2029
0.60Projected 2029 index
0.360.8495% range
±16.2%Backtest error
19702029
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
20250.560.320.80
20260.570.330.81
20270.580.340.82
20280.590.350.83
20290.600.360.84

Routes In Northern Rockies

Routes recording Turkey Vulture in Northern Rockies.
Mount VernonOREGON172024
MeeteetseWYOMING172023
BridgeportOREGON82022
MidvaleWYOMING82024
MaybellCOLORADO72024
FeathervilleIDAHO62023
St RegisMONTANA62023
NewbridgeOREGON61998
MivodenIDAHO52019
CoolinIDAHO52024
MadrasOREGON52024
RandolphUTAH52023
Neponset ResUTAH52007
FloraOREGON42018
CusickWASHINGTON42024
BurgdorfIDAHO32010
N Fork Cda RIDAHO32016
Elevation MtMONTANA32022
LogdellOREGON32023
Summit PrOREGON32024
LovellWYOMING32024
PathfinderWYOMING32022
Carter 2WYOMING32023
LayCOLORADO22024
CentervilleIDAHO22016

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