BirdAnalyst
Species · BCR 10 · BBS 2026 Release · 1966–2025

Red Crossbill In Northern Rockies

All regionsNorthern RockiesForest birds

Red Crossbill in Northern Rockies has edged up: up 14% on the route-weighted index since 1970.

+14%Since 1970TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
137Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Red Crossbill in Northern Rockies. See the full index history below.

Red Crossbill In Northern Rockies Population Forecast

If the recent trend holds, Red Crossbill in Northern Rockies is projected to stay roughly flat through 2030, near 4.2 (95% range 0.00–9.0). A 5-year backtest shows a typical error of ±24.9%, with 80% of held-out values landing inside the 95% band.

-4%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
4.2Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–9.095% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±24.9%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Red Crossbill in Northern Rockies is projected to stay roughly flat through 2030, near 4.2 (95% range 0.00–9.0). A 5-year backtest shows a typical error of ±24.9%, with 80% of held-out values landing inside the 95% band.19682030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20264.10.009.0
20274.10.009.0
20284.10.009.0
20294.10.009.0
20304.20.009.0

Routes In Northern Rockies

Routes recording Red Crossbill in Northern Rockies.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Mount VernonOREGON1242024
CloverlandWASHINGTON782025
WallowaOREGON542025
Eagle RockOREGON461979
CoolinIDAHO382025
WoodmanMONTANA362025
L Pend O NwrWASHINGTON362024
LogdellOREGON352022
Silver CreekOREGON352025
Pryor Mtn.MONTANA332024
Howard Mdws.OREGON282025
DonnellyOREGON272006
Twin LakesWASHINGTON262025
St MaryMONTANA251997
Donelly 2OREGON252025
SilviesOREGON242024
Crazy WomanWYOMING232024
ChestnutMONTANA222017
Skalkho-RyeMONTANA212022
LaurierWASHINGTON212022
Libby DamMONTANA202025
Black Mtn.OREGON202004
NinemileMONTANA192025
KellerWASHINGTON182007
ClintonMONTANA172025

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.