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

American Avocet In Chihuahuan Desert

American Avocet in Chihuahuan Desert has surged: up 79% on the route-weighted index since 2001.

+79%Since 2001
5Routes In Region
18Years

Notable Signals

long arc increasecomputed index

American Avocet has surged in Chihuahuan Desert: up 79% on the route-weighted index since 2001.

Forecast

If the recent trend holds, American Avocet in Chihuahuan Desert is projected to rise about 387% by 2029 — from 0.07 in 2024 to a central estimate of 0.34 (95% range 0.00–0.89). A 5-year backtest shows a typical error of ±90.9%, with 60% of held-out values landing inside the 95% band.

+387%Change by 2029
0.34Projected 2029 index
0.000.8995% range
±90.9%Backtest error
19952029
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
20250.310.000.86
20260.320.000.87
20270.320.000.88
20280.330.000.88
20290.340.000.89

Routes In Chihuahuan Desert

Routes recording American Avocet in Chihuahuan Desert.
PresidioTEXAS42001
GageNEW-MEXICO22019
LaborcitaNEW-MEXICO22010
ColumbusNEW-MEXICO22024
Quitman Canyon 2TEXAS12019

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