Species · BCR 5 · BBS 2025 Release · 1966–2024

Tricolored Blackbird In Northern Pacific Rainforest

All regions Northern Pacific Rainforest Generalists

Tricolored Blackbird in Northern Pacific Rainforest has held roughly steady: down 7% on the route-weighted index since 1975.

-7%Since 1975

7Routes In Region

42Years

Notable Signals

No notable trend signals for Tricolored Blackbird in Northern Pacific Rainforest. See the full index history below.

Forecast

If the recent trend holds, Tricolored Blackbird in Northern Pacific Rainforest is projected to stay roughly flat through 2028, near 0.00 (95% range 0.00–6.2). A 5-year backtest shows a typical error of ±1215.9%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2028

0.00Projected 2028 index

0.00–6.295% range

±1215.9%Backtest error

Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.

Year	Projected index	95% low	95% high
2024	0.00	0.00	6.2
2025	0.00	0.00	6.2
2026	0.00	0.00	6.2
2027	0.00	0.00	6.2
2028	0.00	0.00	6.2

Routes In Northern Pacific Rainforest

Routes recording Tricolored Blackbird in Northern Pacific Rainforest.

Gazelle	CALIFORNIA	40	2010
Yreka	CALIFORNIA	19	2019
Emigrant Lk	OREGON	4	1974
Rio Dell	CALIFORNIA	2	2001
Mt Shasta	CALIFORNIA	2	1975
Crescent Cty	CALIFORNIA	1	2023
Mccloud	CALIFORNIA	1	1975

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