BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Bullock's Oriole In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauGeneralists

Bullock's Oriole in Southern Rockies / Colorado Plateau has surged: up 101% on the route-weighted index since 1970.

+101%Since 1970
149Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Bullock's Oriole has surged in Southern Rockies / Colorado Plateau: up 101% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Bullock's Oriole in Southern Rockies / Colorado Plateau is projected to fall about 19% by 2029 — from 1.2 in 2024 to a central estimate of 0.97 (95% range 0.08–1.9). A 5-year backtest shows a typical error of ±13%, with 100% of held-out values landing inside the 95% band.

-19%Change by 2029
0.97Projected 2029 index
0.08–1.995% range
±13%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
20251.00.111.9
20261.000.101.9
20270.990.101.9
20280.980.091.9
20290.970.081.9

Routes In Southern Rockies / Colorado Plateau

Routes recording Bullock's Oriole in Southern Rockies / Colorado Plateau.
DoloresCOLORADO261987
CortezCOLORADO172008
FalfaCOLORADO132024
Douglas PassCOLORADO122024
WalsenburgCOLORADO122024
Cortez 2COLORADO122017
AztecNEW-MEXICO111989
YampaCOLORADO102023
KamasUTAH102024
HarmonyCOLORADO92024
CokedaleCOLORADO82024
La PlataNEW-MEXICO82013
MoabUTAH82024
FruitaCOLORADO72007
De BequeCOLORADO72024
Wellington 3UTAH72024
Yellowjacket PassCOLORADO52024
Ojo SarcoNEW-MEXICO52024
La Plata 2NEW-MEXICO52016
CastletonUTAH51985
BufordCOLORADO42024
CastletonCOLORADO42023
FlattopsCOLORADO42014
LudlowCOLORADO42016
HannaUTAH42024

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