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

Yellow-headed Blackbird In Northern Rockies

All regionsNorthern RockiesGeneralists

Yellow-headed Blackbird in Northern Rockies has edged down: down 17% on the route-weighted index since 1970.

-17%Since 1970
122Routes In Region
56Years

Notable Signals

No notable trend signals for Yellow-headed Blackbird in Northern Rockies. See the full index history below.

Forecast

If the recent trend holds, Yellow-headed Blackbird in Northern Rockies is projected to rise about 55% by 2029 — from 2.4 in 2024 to a central estimate of 3.7 (95% range 1.2–6.2). A 5-year backtest shows a typical error of ±77.6%, with 100% of held-out values landing inside the 95% band.

+55%Change by 2029
3.7Projected 2029 index
1.2–6.295% range
±77.6%Backtest error
19682029
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
20253.71.26.2
20263.71.26.2
20273.71.26.2
20283.71.26.2
20293.71.26.2

Routes In Northern Rockies

Routes recording Yellow-headed Blackbird in Northern Rockies.
Pablo Res.MONTANA882024
Neponset ResUTAH782018
RandolphUTAH732024
NaplesIDAHO262024
HarmonyWYOMING232023
WickiupOREGON221988
Carter 2WYOMING222024
AugustaMONTANA172024
Seedskadee 2WYOMING162024
Green RiverWYOMING141984
Twin BridgesMONTANA131976
SeedskadeeWYOMING132023
MammothWYOMING122024
BoulderWYOMING122024
Willow Creek 2MONTANA112024
AlbeeOREGON101988
Big SandyWYOMING102024
CrowheartWYOMING92021
PolsonMONTANA72019
EllistonMONTANA72006
Ne EntranceWYOMING72021
Flamin GorgeWYOMING72023
LayCOLORADO62024
Crane CreekIDAHO62013
BeaverheadMONTANA62024

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