BirdAnalyst
Species · BCR 20 · BBS 2025 Release · 1966–2024

Chihuahuan Raven In Edwards Plateau

All regionsEdwards PlateauGeneralists

Chihuahuan Raven in Edwards Plateau has fallen sharply: down 59% on the route-weighted index since 1975.

-59%Since 1975
5Routes In Region
26Years

Notable Signals

long arc declinecomputed index

Chihuahuan Raven has fallen sharply in Edwards Plateau: down 59% on the route-weighted index since 1975.

Forecast

If the recent trend holds, Chihuahuan Raven in Edwards Plateau is projected to rise about 33% by 2029 — from 0.13 in 2024 to a central estimate of 0.17 (95% range 0.00–0.45). A 5-year backtest shows a typical error of ±246.2%, with 100% of held-out values landing inside the 95% band.

+33%Change by 2029
0.17Projected 2029 index
0.00–0.4595% range
±246.2%Backtest error
19692029
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
20250.180.000.46
20260.170.000.45
20270.170.000.45
20280.170.000.45
20290.170.000.45

Routes In Edwards Plateau

Routes recording Chihuahuan Raven in Edwards Plateau.
MontellTEXAS32007
RockspringTEXAS32016
UtopiaTEXAS22000
San SabaTEXAS21986
Indian MtnTEXAS22024

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