BirdAnalyst
Species · BCR 34 · BBS 2025 Release · 1966–2024

Pine Siskin In Sierra Madre Occidental

All regionsSierra Madre OccidentalGeneralists

Pine Siskin in Sierra Madre Occidental has held roughly steady: down 8% on the route-weighted index since 1970.

-8%Since 1970
18Routes In Region
54Years

Notable Signals

No notable trend signals for Pine Siskin in Sierra Madre Occidental. See the full index history below.

Forecast

If the recent trend holds, Pine Siskin in Sierra Madre Occidental is projected to rise about 275% by 2029 — from 0.17 in 2024 to a central estimate of 0.63 (95% range 0.00–2.0). A 5-year backtest shows a typical error of ±71.8%, with 100% of held-out values landing inside the 95% band.

+275%Change by 2029
0.63Projected 2029 index
0.00–2.095% range
±71.8%Backtest error
19682029
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
20250.660.002.1
20260.650.002.0
20270.640.002.0
20280.630.002.0
20290.630.002.0

Routes In Sierra Madre Occidental

Routes recording Pine Siskin in Sierra Madre Occidental.
AlpineARIZONA242023
RuckerARIZONA122008
Mormon LakeARIZONA91974
MaineARIZONA92012
SprucedaleARIZONA72023
Mt. GrahamARIZONA42023
PrescottARIZONA32019
BlueARIZONA31987
WilliamsARIZONA22001
Skull ValleyARIZONA22021
PinetopARIZONA22022
Happy JackARIZONA22024
Emory PassNEW-MEXICO22018
FlagstaffARIZONA12022
Clay SpringARIZONA12024
Carr MtnARIZONA11990
PortalARIZONA12023
ReserveNEW-MEXICO12021

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