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

Red Crossbill In Northern Rockies

All regionsNorthern RockiesGeneralists

Red Crossbill in Northern Rockies has surged: up 94% on the route-weighted index since 1970.

+94%Since 1970
136Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Red Crossbill has surged in Northern Rockies: up 94% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Red Crossbill in Northern Rockies is projected to rise about 36% by 2029 — from 3.0 in 2024 to a central estimate of 4.1 (95% range 0.00–9.1). A 5-year backtest shows a typical error of ±21.3%, with 80% of held-out values landing inside the 95% band.

+36%Change by 2029
4.1Projected 2029 index
0.00–9.195% range
±21.3%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
20254.10.009.0
20264.10.009.0
20274.10.009.0
20284.10.009.0
20294.10.009.1

Routes In Northern Rockies

Routes recording Red Crossbill in Northern Rockies.
Mount VernonOREGON1242024
CoolinIDAHO482023
Eagle RockOREGON461979
Rochat DivdeIDAHO422023
L Pend O NwrWASHINGTON362024
LogdellOREGON352022
Pryor Mtn.MONTANA332024
Silver CreekOREGON322024
DonnellyOREGON272006
St MaryMONTANA251997
SilviesOREGON242024
Crazy WomanWYOMING232024
ChestnutMONTANA222017
GraniteOREGON222022
Skalkho-RyeMONTANA212022
LaurierWASHINGTON212022
Black Mtn.OREGON202004
KellerWASHINGTON182007
AlbeeOREGON172024
Hash RockOREGON162024
Pagil GulchMONTANA152023
DesolationOREGON152007
St RegisMONTANA142022
NinemileMONTANA142024
Howard Mdws.OREGON142024

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