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

Mountain Chickadee In Chihuahuan Desert

All regionsChihuahuan DesertForest birds

Mountain Chickadee in Chihuahuan Desert has declined: down 33% on the route-weighted index since 1977.

-33%Since 1977
5Routes In Region
44Years

Notable Signals

No notable trend signals for Mountain Chickadee in Chihuahuan Desert. See the full index history below.

Forecast

If the recent trend holds, Mountain Chickadee in Chihuahuan Desert is projected to fall about 45% by 2029 — from 0.76 in 2024 to a central estimate of 0.42 (95% range 0.00–2.0). A 5-year backtest shows a typical error of ±36.2%, with 100% of held-out values landing inside the 95% band.

-45%Change by 2029
0.42Projected 2029 index
0.00–2.095% range
±36.2%Backtest error
19742029
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
20250.520.002.1
20260.490.002.1
20270.470.002.1
20280.440.002.1
20290.420.002.0

Routes In Chihuahuan Desert

Routes recording Mountain Chickadee in Chihuahuan Desert.
CloudcroftNEW-MEXICO212024
PinonNEW-MEXICO42017
CarrizozoNEW-MEXICO12024
LaborcitaNEW-MEXICO12012
QueenNEW-MEXICO11993

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