BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Pine Siskin In Northern Rockies

All regionsNorthern RockiesGeneralists

Pine Siskin in Northern Rockies has declined: down 26% on the route-weighted index since 1970.

-26%Since 1970
169Routes In Region
56Years

Notable Signals

No notable trend signals for Pine Siskin in Northern Rockies. See the full index history below.

Forecast

If the recent trend holds, Pine Siskin in Northern Rockies is projected to fall about 52% by 2029 — from 12 in 2024 to a central estimate of 5.8 (95% range 0.00–14). A 5-year backtest shows a typical error of ±38.7%, with 100% of held-out values landing inside the 95% band.

-52%Change by 2029
5.8Projected 2029 index
0.00–1495% range
±38.7%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
20256.20.0014
20266.10.0014
20276.00.0014
20285.90.0014
20295.80.0014

Routes In Northern Rockies

Routes recording Pine Siskin in Northern Rockies.
AlpineWYOMING1182024
Fish CreekMONTANA1152024
Buckskin MtnWYOMING952021
Hebgen LakeMONTANA922024
Libby DamMONTANA782024
CascadeIDAHO751984
MammothWYOMING752024
Colter Bay 2WYOMING632024
Deep CreekIDAHO611985
Sullivan Lake 2WASHINGTON612024
Omak CreekWASHINGTON532024
Twin LakesWASHINGTON522024
ChestnutMONTANA492024
Red RockMONTANA472024
Rochat DivdeIDAHO452023
WoodmanMONTANA442024
Pryor Mtn.MONTANA402024
WilsonWYOMING402024
Thompson RivMONTANA392024
St RegisMONTANA342024
ArleeMONTANA332024
NaplesIDAHO322024
Sullivan LkWASHINGTON311999
CobaltIDAHO302024
OchocoOREGON291982

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