BirdAnalyst
Species · BCR 35 · BBS 2025 Release · 1966–2024

Bullock's Oriole In Chihuahuan Desert

All regionsChihuahuan DesertGeneralists

Bullock's Oriole in Chihuahuan Desert has surged: up 429% on the route-weighted index since 1970.

+429%Since 1970
45Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Bullock's Oriole has surged in Chihuahuan Desert: up 429% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Bullock's Oriole in Chihuahuan Desert is projected to rise about 72% by 2029 — from 1.5 in 2024 to a central estimate of 2.6 (95% range 0.87–4.2). A 5-year backtest shows a typical error of ±147.8%, with 60% of held-out values landing inside the 95% band.

+72%Change by 2029
2.6Projected 2029 index
0.87–4.295% range
±147.8%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
20252.40.764.1
20262.50.794.2
20272.50.814.2
20282.50.844.2
20292.60.874.2

Routes In Chihuahuan Desert

Routes recording Bullock's Oriole in Chihuahuan Desert.
LaborcitaNEW-MEXICO192019
GirvinTEXAS152024
MesillaNEW-MEXICO92000
OzonaTEXAS92022
Laborcita 2NEW-MEXICO82024
RoswellNEW-MEXICO72023
San AntonioNEW-MEXICO61977
Bitter LakeNEW-MEXICO52023
Red RockNEW-MEXICO52024
Quitman Canyon 2TEXAS42024
Devils R CynTEXAS32024
CarrizozoNEW-MEXICO22012
DemingNEW-MEXICO21975
ColumbusNEW-MEXICO22024
Sunshine WllNEW-MEXICO22021
LongfellowTEXAS22024
AltudaTEXAS22019
CornudasTEXAS22018
LangtryTEXAS22000
Ft. StocktonTEXAS22021
MarathonTEXAS22023
GageNEW-MEXICO12024
JornadaNEW-MEXICO12024
CloudcroftNEW-MEXICO11979
LakewoodNEW-MEXICO12021

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