Species · BCR 12 · BBS 2025 Release · 1966–2024

Red Crossbill In Boreal Hardwood Transition

Red Crossbill in Boreal Hardwood Transition has surged: up 90% on the route-weighted index since 1970.

+90%Since 1970
79Routes In Region
51Years

Notable Signals

long arc increasecomputed index

Red Crossbill has surged in Boreal Hardwood Transition: up 90% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Red Crossbill in Boreal Hardwood Transition is projected to fall about 60% by 2029 — from 1.5 in 2024 to a central estimate of 0.61 (95% range 0.00–1.9). A 5-year backtest shows a typical error of ±317%, with 100% of held-out values landing inside the 95% band.

-60%Change by 2029
0.61Projected 2029 index
0.001.995% range
±317%Backtest error
19672029
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
20250.590.001.9
20260.600.001.9
20270.600.001.9
20280.610.001.9
20290.610.001.9

Routes In Boreal Hardwood Transition

Routes recording Red Crossbill in Boreal Hardwood Transition.
IrmaWISCONSIN402018
WaskishMINNESOTA301980
MuskallongeMICHIGAN252024
Brocky LakeMICHIGAN182007
GilchristMICHIGAN172016
Gibbs CityMICHIGAN152018
Skegemog PtMICHIGAN151980
McnaughtonWISCONSIN152018
CohassetMINNESOTA141973
Hiawatha NfMICHIGAN132024
Sherry LakeMINNESOTA122018
RhinelanderWISCONSIN122019
Iron RiverWISCONSIN112024
AmbergWISCONSIN92018
MinongWISCONSIN82018
MontrealWISCONSIN82024
MellenWISCONSIN82024
Cluster LakesMICHIGAN72007
Sawbill CampMINNESOTA72019
NebishMINNESOTA72018
Washington IWISCONSIN72024
Red LakeMINNESOTA62024
ShingletonMICHIGAN52014
Imp LakeMICHIGAN52018
Rib LakeWISCONSIN52018

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