Species · BCR 18 · BBS 2025 Release · 1966–2024

Bullock's Oriole In Shortgrass Prairie

Bullock's Oriole in Shortgrass Prairie has surged: up 83% on the route-weighted index since 1969.

+83%Since 1969
126Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Bullock's Oriole has surged in Shortgrass Prairie: up 83% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Bullock's Oriole in Shortgrass Prairie is projected to rise about 28% by 2029 — from 3.3 in 2024 to a central estimate of 4.3 (95% range 3.0–5.6). A 5-year backtest shows a typical error of ±42.3%, with 40% of held-out values landing inside the 95% band.

+28%Change by 2029
4.3Projected 2029 index
3.05.695% range
±42.3%Backtest error
19672029
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
20254.22.95.5
20264.22.95.5
20274.22.95.5
20284.22.95.5
20294.33.05.6

Routes In Shortgrass Prairie

Routes recording Bullock's Oriole in Shortgrass Prairie.
CactusTEXAS272021
CrowleyCOLORADO242024
PlainsTEXAS192024
LingleWYOMING182024
Doyle BridgeCOLORADO161997
ArsenalCOLORADO162015
Arsenal 2COLORADO152024
CampoCOLORADO142019
NeegrandeCOLORADO142024
Mica ButteCOLORADO121987
Doyle Bridge 2COLORADO122023
SedanNEW-MEXICO122024
PantexTEXAS122019
MaxwellNEW-MEXICO112024
VariaderoNEW-MEXICO102022
RankinTEXAS102023
PepNEW-MEXICO92024
SabinosoNEW-MEXICO92021
FeltOKLAHOMA92024
PecosTEXAS92017
KiowaCOLORADO82018
BoyeroCOLORADO82017
TrincheraCOLORADO82022
DaltonNEBRASKA82024
MaljamarNEW-MEXICO81977

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