BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

Cassin's Finch Population Trend in New Mexico

All statesGeneralists

Cassin's Finch in New Mexico has collapsed: down 76% on the route-weighted index since 1984.

-76%Since 1984
7Routes In State
21Years

Notable Cassin's Finch Trends in New Mexico

long arc declinecomputed index

Cassin's Finch has collapsed in New Mexico: down 76% on the route-weighted index since 1984.

Cassin's Finch Population Forecast in New Mexico

If the recent trend holds, Cassin's Finch in New Mexico is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±127.7%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.01Projected 2029 index
0.00–0.2195% range
±127.7%Backtest error
19712029
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
20250.020.000.22
20260.020.000.22
20270.020.000.21
20280.010.000.21
20290.010.000.21

Cassin's Finch Survey Routes in New Mexico

Routes recording Cassin's Finch in New Mexico.
Cebolla220091977
Angel Fire220021992
Ojo Sarco120241992
La Cienega119711971
Angel Fire 2120242009
Vallecitos119951994
Gallinas120211992

Cassin's Finch Population Trend in Other States

arizonacaliforniacoloradoidahomontananevadaoregonsouth-dakotautahwashingtonwyoming

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