BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Pine Siskin In Great Basin

All regionsGreat BasinGeneralists

Pine Siskin in Great Basin has declined: down 25% on the route-weighted index since 1970.

-25%Since 1970
111Routes In Region
56Years

Notable Signals

No notable trend signals for Pine Siskin in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Pine Siskin in Great Basin is projected to fall about 43% by 2029 — from 2.9 in 2024 to a central estimate of 1.7 (95% range 0.00–3.8). A 5-year backtest shows a typical error of ±65.2%, with 100% of held-out values landing inside the 95% band.

-43%Change by 2029
1.7Projected 2029 index
0.00–3.895% range
±65.2%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
20251.70.003.8
20261.70.003.8
20271.70.003.8
20281.70.003.8
20291.70.003.8

Routes In Great Basin

Routes recording Pine Siskin in Great Basin.
E. Mt. AdamsWASHINGTON572024
RonaldWASHINGTON482024
L. WenatcheeWASHINGTON482024
LeavenworthWASHINGTON452024
RimrockWASHINGTON282024
Blewett PassWASHINGTON252024
MazamaWASHINGTON232022
GlacierWASHINGTON212024
MacdoelCALIFORNIA192011
Lake ChelanWASHINGTON192024
No CascadesWASHINGTON192019
BlyOREGON181994
Mt HoodOREGON172024
Dell SpringOREGON151996
SistersOREGON112024
NewhalemWASHINGTON102024
Index 2WASHINGTON102023
KendallWASHINGTON92024
JarbidgeNEVADA82015
Gold HillUTAH82024
Moses CouleeWASHINGTON81996
Medicine Mtn.CALIFORNIA72021
Magic MtnIDAHO62024
Blizzard GapOREGON61984
TwispWASHINGTON62024

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