BirdAnalyst
Species · BCR 2 · BBS 2025 Release · 1966–2024

Boreal Chickadee In BCR 2

All regionsBCR 2Forest birds

Boreal Chickadee in BCR 2 has edged up: up 23% on the route-weighted index since 1995.

+23%Since 1995
5Routes In Region
27Years

Notable Signals

No notable trend signals for Boreal Chickadee in BCR 2. See the full index history below.

Forecast

If the recent trend holds, Boreal Chickadee in BCR 2 is projected to rise about 248% by 2029 — from 0.11 in 2024 to a central estimate of 0.39 (95% range 0.05–0.72). A 5-year backtest shows a typical error of ±127.5%, with 60% of held-out values landing inside the 95% band.

+248%Change by 2029
0.39Projected 2029 index
0.05–0.7295% range
±127.5%Backtest error
19932029
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
20250.370.040.70
20260.370.040.71
20270.380.040.71
20280.380.050.71
20290.390.050.72

Routes In BCR 2

Routes recording Boreal Chickadee in BCR 2.
Katmai N.P.ALASKA32022
Gweek RiverALASKA22002
DillinghamALASKA12017
King SalmonALASKA12024
Togiak RiverALASKA12005

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