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

Verdin In Chihuahuan Desert

All regionsChihuahuan DesertArid-land birds

Verdin in Chihuahuan Desert has fallen sharply: down 64% on the route-weighted index since 1969.

-64%Since 1969
46Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Verdin has fallen sharply in Chihuahuan Desert: down 64% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Verdin in Chihuahuan Desert is projected to rise about 28% by 2029 — from 2.8 in 2024 to a central estimate of 3.6 (95% range 0.00–7.4). A 5-year backtest shows a typical error of ±51.3%, with 100% of held-out values landing inside the 95% band.

+28%Change by 2029
3.6Projected 2029 index
0.00–7.495% range
±51.3%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
20253.60.007.4
20263.60.007.4
20273.60.007.4
20283.60.007.4
20293.60.007.4

Routes In Chihuahuan Desert

Routes recording Verdin in Chihuahuan Desert.
SlaughterTEXAS272014
PresidioTEXAS202023
Quitman Cyn.TEXAS182009
Quitman Canyon 2TEXAS152024
JornadaNEW-MEXICO142024
ComstockTEXAS142019
Laborcita 2NEW-MEXICO122024
LangtryTEXAS112000
MesillaNEW-MEXICO92000
Sierra BlancTEXAS72024
ShafterTEXAS61985
Salt FlatTEXAS62015
PumpvilleTEXAS62024
Hot SpringsTEXAS52024
Delaware CrkTEXAS52015
Casa PiedraTEXAS52023
Dove Mtn.TEXAS52006
Van HornTEXAS52024
LaborcitaNEW-MEXICO42019
Hatchet PeakNEW-MEXICO42023
CastolonTEXAS42024
San AntonioNEW-MEXICO31977
ValentineTEXAS31984
OzonaTEXAS32021
GageNEW-MEXICO22024

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