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

Red Crossbill In Chihuahuan Desert

Red Crossbill in Chihuahuan Desert has collapsed: down 91% on the route-weighted index since 1982.

-91%Since 1982
3Routes In Region
24Years

Notable Signals

long arc declinecomputed index

Red Crossbill has collapsed in Chihuahuan Desert: down 91% on the route-weighted index since 1982.

Forecast

If the recent trend holds, Red Crossbill in Chihuahuan Desert is projected to stay roughly flat through 2027, near 0.00 (95% range 0.00–0.68). A 5-year backtest shows a typical error of ±141.1%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2027
0.00Projected 2027 index
0.000.6895% range
±141.1%Backtest error
19782027
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
20230.000.000.68
20240.000.000.68
20250.000.000.68
20260.000.000.68
20270.000.000.68

Routes In Chihuahuan Desert

Routes recording Red Crossbill in Chihuahuan Desert.
CarrizozoNEW-MEXICO72009
CloudcroftNEW-MEXICO12022
PinonNEW-MEXICO12007

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