BirdAnalyst
Species · BCR 4 · BBS 2025 Release · 1966–2024

White-winged Crossbill In BCR 4

All regionsBCR 4Generalists

White-winged Crossbill in BCR 4 has surged: up 236% on the route-weighted index since 1984.

+236%Since 1984
58Routes In Region
42Years

Notable Signals

long arc increasecomputed index

White-winged Crossbill has surged in BCR 4: up 236% on the route-weighted index since 1984.

Forecast

If the recent trend holds, White-winged Crossbill in BCR 4 is projected to rise about 13% by 2029 — from 7.3 in 2024 to a central estimate of 8.3 (95% range 2.2–14). A 5-year backtest shows a typical error of ±67.4%, with 100% of held-out values landing inside the 95% band.

+13%Change by 2029
8.3Projected 2029 index
2.2–1495% range
±67.4%Backtest error
19822029
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
20257.91.814
20268.01.914
20278.12.014
20288.22.114
20298.32.214

Routes In BCR 4

Routes recording White-winged Crossbill in BCR 4.
Chatanika RALASKA642023
Kanuti CanynALASKA542024
Chena Hot Spring 2ALASKA522024
ChickenALASKA512023
ChistochinaALASKA482024
Donelly DomeALASKA282018
CottonwoodALASKA281988
CircleALASKA202024
Chena RiverALASKA201988
TonsinaALASKA202021
Anchor RiverALASKA202009
Kanuti LakeALASKA202024
Swan Lake RdALASKA182023
DeltaALASKA182016
CantwellALASKA172019
Ft. RichrdsnALASKA172021
Mud RiverALASKA162024
EagleALASKA132024
SavageALASKA92024
KachemakALASKA92003
LivengoodALASKA82021
Nicholai SlALASKA72023
Moose CreekALASKA62022
NorthwayALASKA52022
Burma RoadALASKA52024

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