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

Black Vulture In Chihuahuan Desert

All regionsChihuahuan DesertGeneralists

Black Vulture in Chihuahuan Desert has surged: up 116% on the route-weighted index since 1992.

+116%Since 1992
7Routes In Region
29Years

Notable Signals

long arc increasecomputed index

Black Vulture has surged in Chihuahuan Desert: up 116% on the route-weighted index since 1992.

Forecast

If the recent trend holds, Black Vulture in Chihuahuan Desert is projected to rise about 399% by 2029 — from 0.07 in 2024 to a central estimate of 0.34 (95% range 0.04–0.65). A 5-year backtest shows a typical error of ±90.9%, with 100% of held-out values landing inside the 95% band.

+399%Change by 2029
0.34Projected 2029 index
0.04–0.6595% range
±90.9%Backtest error
19792029
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
20250.320.020.63
20260.330.020.63
20270.330.030.64
20280.340.030.64
20290.340.040.65

Routes In Chihuahuan Desert

Routes recording Black Vulture in Chihuahuan Desert.
ComstockTEXAS102023
OzonaTEXAS52022
Black GapTEXAS12006
PresidioTEXAS12022
Devils R CynTEXAS12024
Quitman Cyn.TEXAS12007
PumpvilleTEXAS12024

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