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

Rusty Blackbird In BCR 4

Rusty Blackbird in BCR 4 has edged down: down 15% on the route-weighted index since 1983.

-15%Since 1983
46Routes In Region
43Years

Notable Signals

No notable trend signals for Rusty Blackbird in BCR 4. See the full index history below.

Forecast

If the recent trend holds, Rusty Blackbird in BCR 4 is projected to rise about 23% by 2029 — from 0.69 in 2024 to a central estimate of 0.85 (95% range 0.10–1.6). A 5-year backtest shows a typical error of ±45.2%, with 100% of held-out values landing inside the 95% band.

+23%Change by 2029
0.85Projected 2029 index
0.101.695% range
±45.2%Backtest error
19762029
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
20250.860.111.6
20260.860.111.6
20270.860.101.6
20280.850.101.6
20290.850.101.6

Routes In BCR 4

Routes recording Rusty Blackbird in BCR 4.
Bear CreekALASKA141991
Burma RoadALASKA122018
Hather CreekALASKA72024
SlanaALASKA52024
NorthwayALASKA52022
WasillaALASKA41983
Kobuk River (Short)ALASKA41991
McgrathALASKA32018
Mud RiverALASKA32024
Anvik RiverALASKA32023
Mccarthy Rd2ALASKA32024
CircleALASKA22017
MonahanALASKA22015
Chena Hot SpALASKA21990
Koyukuk Riv.ALASKA22001
Murphy DomeALASKA21998
Ft. RichrdsnALASKA22010
TatalinaALASKA22017
Birch LakeALASKA12021
Tower BluffsALASKA12019
ChistochinaALASKA12023
CantwellALASKA11986
Goose BayALASKA11976
Skilak LakeALASKA11984
HomerALASKA11982

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